00000cam a22000004a 4500 UP-99796217607772654 Buklod 20230503092542.0 a r |||| u| ta 080210s1972 xx r |000 u|eng d 0801813786 (iLib)UPD-00000499771 Eng QH541 B78 1972a Brubaker, Sterling To live on earth man and his environment in perspective. New York New American Library c1972. xiv, 253 p. 24 cm. "A Resources for the Future study." Includes bibliographies. Ecology. Human ecology. Resources for the Future. Book Book UPD DSURP QH541 .B78 1972a Book