TY - BOOK AU - Usher,Michael B. TI - Wildlife conservation evaluation SN - 0412267500 AV - QL82 .W53 1986 U1 - 333.95 19 PY - 1986/// CY - London, New York PB - Chapman and Hall KW - Wildlife conservation KW - Evaluation KW - Nature conservation N1 - Includes indexes; Bibliography: p. [339]-369 ER -