21
Published 1989
American Chemical Society

22
Published 2006
American Chemical Society

25
Published 1980
American Chemical Society

26
Published 1982
American Chemical Society

28
Published 1981
American Chemical Society

29
Published 1974
American Chemical Society

30
Published 1986
American Chemical Society

31
Published 1992
American Chemical Society

32
Published 1992
American Chemical Society

33
Published 2003
American Chemical Society

34
Published 1977
American Chemical Society

36
Published 1998
American Chemical Society

38
Published 1982
American Chemical Society