TY - BOOK AU - Soulé,Michael E. TI - Viable populations for conservation SN - 0521333903 AV - QH352 .V53 1987 U1 - 639.9 PY - 1987/// CY - Cambridge [Cambridgeshire], New York PB - Cambridge University Press KW - Population biology KW - Wildlife conservation KW - Extinction (Biology) N1 - Includes bibliographies and index ER -