TY - BOOK AU - Ehrlich,Paul R AU - Ehrlich,Anne H AU - Ehrlich,Anne H. TI - Population, resources, environment: issues in human ecology T2 - A Series of books in biology SN - 0716706954 AV - HB871 .E35 1972 U1 - 304.6 22 PY - 1972/// CY - San Francisco PB - W. H. Freeman KW - Population KW - Pollution KW - Human ecology N1 - Third ed. published in 1977 under title: Ecoscience; Includes bibliographies ER -