TY  - BK
AU  - Norton,Bryan G.
ED  - Maryland Univ., College Park (USA). Center for Philosophy and Public Policy
TI  - The Preservation of species:  the value of biological diversity
SN  - 06-910-83894
U1  - 89-078438 
PY  - 1986///
KW  - Conservation
KW  - Nature conservation and land resources
KW  - Taxa
KW  - Taxonomy
N1  - Bibliography: p. 289-296. "Written under the auspices of the Center for Philosophy and Public Policy, University of Maryland"--Opp. t.p. index US (DNAL QL82.P74)
T2  - Princeton, N.J. (USA). Princeton University Press. 1986. 305 p
ER  -