1
Published 1975
American Chemical Society

6
Published 1979
American Chemical Society

9
Published 1982
American Chemical Society

10
Published 1983
American Chemical Society

12
Published 1989
American Chemical Society

13
Published 1994
American Chemical Society

14
Published 1996
American Chemical Society

15
Published 2001
American Chemical Society

16
Published 2002
American Chemical Society

17
Published 2003
American Chemical Society

18
Published 2005
American Chemical Society

19
Published 2005
American Chemical Society

20
Published 2007
American Chemical Society