4
Published 2004
American Chemical Society

5
Published 1986
American Chemical Society

6
Published 1996
American Chemical Society

7
Published 1993
American Chemical Society

8
Published 2002
American Chemical Society

9
Published 2010
American Chemical Society

11
Published 2017
American Chemical Society

12
Published 2017
American Chemical Society

13
Published 1994
American Chemical Society

14
Published 2001
American Chemical Society

17
Published 1999
American Chemical Society

18
Published 2001
American Chemical Society

19
Published 2001
American Chemical Society

20
Published 2007
American Chemical Society