TY - BOOK AU - Primack,Richard B. TI - Essentials of conservation biology SN - 0878937196 : U1 - 333.9511 21 PY - 2002/// CY - Sunderland, Mass., [Great Britain] PB - Sinauer Associates KW - Conservation biology N1 - Includes bibliographical references (p. [645]-678) and index ER -