21
Published 2004
American Chemical Society

22
Published 2003
American Chemical Society

23
Published 2003
American Chemical Society

24
Published 2011
American Chemical Society

25
Published 1992
American Chemical Society

26
Published 2011
American Chemical Society

27
Published 2002
American Chemical Society

28
Published 2004
American Chemical Society

30
Published 1987
American Chemical Society

31
Published 1996
American Chemical Society

32
Published 2005
American Chemical Society

33
Published 2011
American Chemical Society

34
Published 2020
American Chemical Society

35
Published 2004
American Chemical Society

36
Published 1977
American Chemical Society

37
Published 1978
American Chemical Society

39
Published 1979
American Chemical Society