41
Published 1999
American Chemical Society

42
Published 2006
American Chemical Society

46
Published 1994
American Chemical Society

47
Published 1998
American Chemical Society

48
Published 1999
American Chemical Society

49
Published 2010
American Chemical Society

50
Published 1982
American Chemical Society

51
Published 2003
American Chemical Society

52
Published 2004
American Chemical Society

54
Published 1978
American Chemical Society

55
Published 1992
American Chemical Society

56
Published 1995
American Chemical Society

57
Published 1999
American Chemical Society

58
Published 2003
American Chemical Society

59
Published 2006
American Chemical Society

60
Published 2008
American Chemical Society