TY - BOOK AU - Primack,Richard B. TI - Essentials of conservation biology SN - 0878937196 (hardcover) AV - QH75 .P93 U1 - 333.95/11 21 PY - 2002/// CY - Sunderland, Mass. PB - Sinauer Associates KW - Conservation biology N1 - Includes bibliographical references (p. [645]-678) ER -