TY  - BOOK
AU  - Usher,Michael B.,1941-
TI  - Biological management and conservation: ecological theory, application and planning
SN  - 0412113309
PY  - 1973///
CY  - London
PB  - Chapman & Hall
KW  - Ecology
KW  - Nature conservation
KW  - Technique
KW  - Conservation of natural resources
N1  - 'Distributed in the U.S.A. by Halstead Press, a division of John Wiley & Sons, Inc., New York.'; Bibliography: p. 372-385
ER  -