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Dec 2009; Vol.49, Iss.4
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Sep/Oct 1995; Vol.35, Iss.5
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Feb/Mar 1984; Vol.24, Iss.1
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Sep 2009; Vol.49, Iss.3
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Jul/Aug 1995; Vol.35, Iss.4
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Dec 1983/Jan 1984; Vol.23, Iss.6
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Jun 2009; Vol.49, Iss.2
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May 1995; Vol.35, Iss.3
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Oct/Nov 1983; Vol.23, Iss.5
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Mar 2009; Vol.49, Iss.1
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Mar 1995; Vol.35, Iss.2
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Aug/Sep 1983; Vol.23, Iss.4
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Dec 2008; Vol.48, Iss.4
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Jan 1995; Vol.35, Iss.1
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Jun/Jul 1983; Vol.23, Iss.3
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Sep 2008; Vol.48, Iss.3
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Nov 1994; Vol.34, Iss.6
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Apr/May 1983; Vol.23, Iss.2
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Jun 2008; Vol.48, Iss.2
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Sep 1994; Vol.34, Iss.5
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Dec 1982; Vol.22, Iss.6
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Mar 2008; Vol.48, Iss.1
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Jul/Aug 1994; Vol.34, Iss.4
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Oct/Nov 1982; Vol.22, Iss.5
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Dec 2007; Vol.47, Iss.4
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May/Jun 1994; Vol.34, Iss.3
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Aug/Sep 1982; Vol.22, Iss.4
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Sep 2007; Vol.47, Iss.3
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Mar/Apr 1994; Vol.34, Iss.2
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Jun/Jul 1982; Vol.22, Iss.3
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Jun 2007; Vol.47, Iss.2
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Jan/Feb 1994; Vol.34, Iss.1
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Mar 2007; Vol.47, Iss.1
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Nov/Dec 1993; Vol.33, Iss.6
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Feb/Mar 1982; Vol.22, Iss.1
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Dec 2006; Vol.46, Iss.4
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Sep/Oct 1993; Vol.33, Iss.5
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Dec 1981; Vol.21, Iss.6
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Sep 2006; Vol.46, Iss.3
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Jul/Aug 1993; Vol.33, Iss.4
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Oct 1981; Vol.21, Iss.5
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Jun 2006; Vol.46, Iss.2
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Aug 1981; Vol.21, Iss.4
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Mar/Apr 1993; Vol.33, Iss.2
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Jun 1981; Vol.21, Iss.3
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Dec 2005; Vol.45, Iss.4
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Jan/Feb 1993; Vol.33, Iss.1
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Apr 1981; Vol.21, Iss.2
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Sep 2005; Vol.45, Iss.3
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Nov 1992; Vol.32, Iss.6
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Feb 1981; Vol.21, Iss.1
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Jun 2005; Vol.45, Iss.2
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Sep/Oct 1992; Vol.32, Iss.5
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Dec 1980; Vol.20, Iss.6
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Mar 2005; Vol.45, Iss.1
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Jul/Aug 1992; Vol.32, Iss.4
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Oct 1980; Vol.20, Iss.5
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Dec 2004; Vol.44, Iss.4
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May/Jun 1992; Vol.32, Iss.3
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Aug 1980; Vol.20, Iss.4
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Mar/Apr 1992; Vol.32, Iss.2
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Jun 1980; Vol.20, Iss.3
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Jun 2004; Vol.44, Iss.2
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Apr 1980; Vol.20, Iss.2
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Mar 2004; Vol.44, Iss.1
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Dec 1991; Vol.31, Iss.6
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Feb 1980; Vol.20, Iss.1
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Dec 2003; Vol.43, Iss.4
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Oct/Nov 1991; Vol.31, Iss.5
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Dec 1979; Vol.19, Iss.6
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Aug/Sep 1991; Vol.31, Iss.4
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Oct 1979; Vol.19, Iss.5
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Feb/Mar 1991; Vol.31, Iss.1
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Dec 1990/Jan 1991; Vol.30, Iss.6
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Feb 1979; Vol.19, Iss.1
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Oct/Nov 1990; Vol.30, Iss.5
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Dec 1978; Vol.18, Iss.6
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May/Jun 2002; Vol.42, Iss.3
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Aug/Sep 1990; Vol.30, Iss.4
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Oct 1978; Vol.18, Iss.5
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Jun/Jul 1990; Vol.30, Iss.3
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Aug 1978; Vol.18, Iss.4
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Apr/May 1990; Vol.30, Iss.2
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Jun 1978; Vol.18, Iss.3
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Nov/Dec 2001; Vol.41, Iss.6
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Feb/Mar 1990; Vol.30, Iss.1
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Apr 1978; Vol.18, Iss.2
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Dec 1989/Jan 1990; Vol.29, Iss.6
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Feb 1978; Vol.18, Iss.1
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Jul/Aug 2001; Vol.41, Iss.4
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Oct/Nov 1989; Vol.29, Iss.5
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Dec 1977; Vol.17, Iss.6
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Aug/Sep 1989; Vol.29, Iss.4
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Jun 1977; Vol.17, Iss.3
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Feb/Mar 1989; Vol.29, Iss.1
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Apr 1977; Vol.17, Iss.2
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Dec 1988/Jan 1989; Vol.28, Iss.6
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Feb 1977; Vol.17, Iss.1
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Aug/Sep 1988; Vol.28, Iss.4
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Jun/Jul 1988; Vol.28, Iss.3
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Aug 1976; Vol.16, Iss.4
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Nov/Dec 1999; Vol.39, Iss.6
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Apr/May 1988; Vol.28, Iss.2
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Jun 1976; Vol.16, Iss.3
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Feb/Mar 1988; Vol.28, Iss.1
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Apr 1976; Vol.16, Iss.2
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Feb 1976; Vol.16, Iss.1
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Aug 1975; Vol.15, Iss.4
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Apr/May 1987; Vol.27, Iss.2
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Jun 1975; Vol.15, Iss.3
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Feb/Mar 1987; Vol.27, Iss.1
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Apr 1975; Vol.15, Iss.2
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Feb 1975; Vol.15, Iss.1
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Oct/Nov 1986; Vol.26, Iss.5
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Aug/Sep 1986; Vol.26, Iss.4
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Oct 1974; Vol.14, Iss.5
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Jun/Jul 1986; Vol.26, Iss.3
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Aug 1974; Vol.14, Iss.4
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Nov/Dec 1997; Vol.37, Iss.6
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Apr/May 1986; Vol.26, Iss.2
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Jun 1974; Vol.14, Iss.3
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Sep/Oct 1997; Vol.37, Iss.5
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Feb/Mar 1986; Vol.26, Iss.1
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Feb 1974; Vol.14, Iss.1
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Jul/Aug 1997; Vol.37, Iss.4
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Dec 1973; Vol.13, Iss.6
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May/Jun 1997; Vol.37, Iss.3
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Oct/Nov 1985; Vol.25, Iss.5
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Oct 1973; Vol.13, Iss.5
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Aug/Sep 1985; Vol.25, Iss.4
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Jun 1973; Vol.13, Iss.3
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Jan/Feb 1997; Vol.37, Iss.1
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Jun/Jul 1985; Vol.25, Iss.3
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Apr 1973; Vol.13, Iss.2
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Nov/Dec 1996; Vol.36, Iss.6
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Apr/May 1985; Vol.25, Iss.2
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Feb 1973; Vol.13, Iss.1
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Sep/Oct 1996; Vol.36, Iss.5
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Feb/Mar 1985; Vol.25, Iss.1
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Dec 1972; Vol.12, Iss.6
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Jul/Aug 1996; Vol.36, Iss.4
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Dec 1984/Jan 1985; Vol.24, Iss.6
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Oct 1972; Vol.12, Iss.5
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May/Jun 1996; Vol.36, Iss.3
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Oct/Nov 1984; Vol.24, Iss.5
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Aug 1972; Vol.12, Iss.4
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Mar/Apr 1996; Vol.36, Iss.2
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Aug/Sep 1984; Vol.24, Iss.4
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Feb 1972; Vol.12, Iss.1
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Jan/Feb 1996; Vol.36, Iss.1
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Jun/Jul 1984; Vol.24, Iss.3
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Oct 1971; Vol.11, Iss.5
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Nov/Dec 1995; Vol.35, Iss.6
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Apr/May 1984; Vol.24, Iss.2
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