81
Published 2020
American Chemical Society

82
Published 1979
American Chemical Society
Subjects: ...United States / National Aeronautics and Space Administration...

83
Published 1984
American Chemical Society
Subjects: ...National Science Board (U.S.)...

84
Published 1985
American Chemical Society

85
Published 2013
American Chemical Society

86
Published 1993
American Chemical Society

87
Published 2013
American Chemical Society
Subjects: ...National Science Foundation (U.S.) / Research grants...

88
Published 1989
American Chemical Society

89
Published 1993
American Chemical Society

90
Published 2013
American Chemical Society

91
Published 2014
American Chemical Society

94
Published 2018
American Chemical Society

95
Published 2021
American Chemical Society

96
Published 1991
American Chemical Society
Subjects: ...National Institute of Standards and Technology (U.S.) / Rules and practice...

97
Published 2011
American Chemical Society
Subjects: ...National Wildlife Refuge System (U.S.)...

98
Published 2000
American Chemical Society
Subjects: ...Hawaiian Islands National Wildlife Refuge (Hawaii)...

99
Published 2017
American Chemical Society
Subjects: ...United Nations Framework Convention on Climate Change / (1992 May 9) / Protocols, etc / (2015...

100
Published 2018
American Chemical Society
Subjects: ...National Science Foundation (U.S.) / Rules and practice...