21
Published 1980
American Chemical Society

22
Published 1985
American Chemical Society

23
Published 1987
American Chemical Society

24
Published 1987
American Chemical Society

25
Published 1997
American Chemical Society

26
Published 2002
American Chemical Society

27
Published 2005
American Chemical Society

28
Published 2009
American Chemical Society

29
Published 2014
American Chemical Society

30
Published 2018
American Chemical Society

32
Published 1989
American Chemical Society

33
Published 1994
American Chemical Society

34
Published 1997
American Chemical Society

35
Published 2000
American Chemical Society

36
Published 2001
American Chemical Society

37
Published 2002
American Chemical Society

38
Published 2003
American Chemical Society

39
Published 2005
American Chemical Society

40
Published 2013
American Chemical Society