TY - BOOK AU - TI - Conservation for survival: an ecological strategy AV - QH541 .C87 U1 - 333.7/2 PY - 1972/// CY - New York PB - Morrow KW - Conservation of natural resources KW - Local KW - Nature conservation KW - Ecology KW - Human ecology N1 - 920319; Bibliography: p. 317-324 ER -