21
Published 1975
American Chemical Society

22
Published 1976
American Chemical Society

27
Published 1980
American Chemical Society

28
Published 1983
American Chemical Society

29
Published 1984
American Chemical Society

30
Published 1987
American Chemical Society

31
Published 1987
American Chemical Society

32
Published 1989
American Chemical Society

33
Published 1989
American Chemical Society

34
Published 1990
American Chemical Society

35
Published 1993
American Chemical Society

36
Published 1993
American Chemical Society

37
Published 1996
American Chemical Society