TY  - BOOK
AU  - Norton,Bryan G.
ED  - University of Maryland, College Park Centre for Philosophy and Public Policy.
TI  - The preservation of species: the valie of biological deversity
SN  - 0691083894
PY  - 1986///
CY  - Princeton, N.J.
PB  - Princeton University Press
KW  - Wildlife conservation
KW  - Species
KW  - Extinction (Biology)
N1  - Written under the auspices of the center for philosophy and Public Policy, University of Maryland; Includes index and bibliography: p. 289-296
ER  -