Full view no.2 (1988:Oct.)
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Columbia University
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Full view no.4 (1989:May)
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Columbia University
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Full view no.5 (1989:Aug.)
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Columbia University
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Full view no.18 (1992:Oct.)
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Columbia University
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Full view no.20 (1993:Apr.)
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Columbia University
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Full view no.21 (1993:July)
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Columbia University
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Full view no.23 (1994:Jan.)
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Columbia University
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Full view no.29 (1995:July)
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Columbia University
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Full view no.43 (1999:Apr.)
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Columbia University
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Full view no.45 (1999:Oct.)
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Columbia University
|
Full view no.47 (2000:Apr.)
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Columbia University
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Full view no.48 (2000:July)
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Columbia University
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Full view no.49 (2000:Oct.)
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Columbia University
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Full view no.52 2001:Apr.
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University of Minnesota
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Full view no.57 (2002:July)
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University of Minnesota
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Full view no.57 (2002:July)
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Columbia University
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Full view no.58 (2002:Oct.)
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University of Minnesota
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Full view no.59 (2003:Apr.)
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University of Minnesota
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Full view no.71 (2007:Jan.)
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University of Minnesota
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Full view no.71 2007:Jan.
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Purdue University
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