81
Published 2005
Springer US

82
by Loue, Sana
Published 2006
Springer US

83
by de Gooijer, Winfried
Published 2007
Springer New York

84
Published 2006
Springer US

85
by Rifkin, Erik, Bouwer, Edward
Published 2007
Springer US

86
Published 2007
Springer US

87
by Walker, Carl
Published 2008
Springer New York

88
Published 2008
Springer New York

89
Published 2008
Springer New York

90
by Thomas, Richard K.
Published 2008
Springer New York

91
by Schlander, Michael
Published 2007
Springer New York

92
Published 2008
Springer New York

93
by Gunn, S. William A.
Published 2008
Springer New York

94
Published 2010
Springer US

95
Published 2010
Springer New York

96
Published 2010
Springer New York

97
Published 2009
Springer New York

98
by Misra, Sanghamitra M., Verissimo, Ana Maria
Published 2014
Springer International Publishing

99
Published 2014
Island Press/Center for Resource Economics

100
Published 2017
Springer Singapore