TY - BOOK AU - Shrader-Frechette, K. S AU - McCoy, Earl D TI - Method in ecology : strategies for conservation SN - 9780521446938 SN - 93009343 U1 - 574.501 SHR PY - 1993/// CY - Cambridge PB - Cambridge University Press KW - Ecology - Philosophy KW - Nature conservation - Philosophy N1 - Includes bibliographical references (p. 289-315) and indexes ER -