|
Full view 3.186:P-20/V 67/ 1982
|
Pennsylvania State University
|
|
Full view 3.186:P-20/V 67/ 1986
|
Pennsylvania State University
|
|
Full view 3.186:P-20/V 67/ 1988
|
Pennsylvania State University
|
|
Full view 3.186:P-20/V 67/ 1990
|
Pennsylvania State University
|
|
Full view 3.186:P-20/V 67/ 1992
|
Pennsylvania State University
|
|
Full view no.370-374(1982)
|
University of Illinois at Urbana-Champaign
|
|
Full view no.466-467(1993)
|
University of Illinois at Urbana-Champaign
|
|
Full view 996
|
University of California
|
|
Full view 998
|
University of California
|
|
Full view 998/REV
|
University of California
|
|
Full view 1978
|
Columbia University
|
|
Full view 1984
|
Columbia University
|
|
Full view 1988 (no.440)
|
University of Minnesota
|
|
Full view 1990
|
University of California
|
|
Full view 1992
|
University of Minnesota
|
|
Full view 1992* (no.466)
|
University of Minnesota
|
|
Full view 1994
|
University of California
|
|
Full view 1996 (no.504)
|
University of Minnesota
|
|
Full view 1998*
|
University of Minnesota
|
|
Full view 1998
|
University of Minnesota
|
|
Full view 1998 rev.*
|
University of Minnesota
|