4
Published 1991
American Chemical Society

5
Published 1989
American Chemical Society

6
Published 1999
American Chemical Society

7
Published 1982
American Chemical Society

8
Published 1992
American Chemical Society

9
Published 1993
American Chemical Society

10
Published 1993
American Chemical Society

11
Published 1992
American Chemical Society

12
Published 1993
American Chemical Society

13
Published 1996
American Chemical Society

14
Published 1992
American Chemical Society

15
Published 1994
American Chemical Society

16
Published 2005
American Chemical Society

17
Published 2007
American Chemical Society

18
Published 1996
American Chemical Society

19
Published 1992
American Chemical Society

20
Published 1989
American Chemical Society