81
Published 1997
American Chemical Society

82
Published 1998
American Chemical Society

83
Published 2006
American Chemical Society

84
Published 2012
American Chemical Society

85
Published 2012
American Chemical Society

86
Published 2013
American Chemical Society

88
Published 1979
American Chemical Society

90
Published 1991
American Chemical Society

91
Published 1994
American Chemical Society

92
Published 1999
American Chemical Society

93
Published 1990
American Chemical Society

95
Published 2010
American Chemical Society

96
Published 2005
American Chemical Society

97
Published 2006
American Chemical Society

98
Published 1998
American Chemical Society

99
Published 1993
American Chemical Society

100
Published 1993
American Chemical Society