The Preservation of species
Subtitle: the value of biological diversity
Contributors: Norton, Bryan G.; University of Maryland, College Park. Center for Philosophy and Public Policy.
Place of publication: Princeton, N.J
Number of pages: 305
Subjects: Extinction (Biology); Species.; Wildlife conservation.
Notes: "Written under the auspices of the Center for Philosophy and Public Policy, University of Maryland"--Opp. t.p.  Bibliography: p. 289-296.

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