TY - BOOK AU - Ehrlich,Paul R. AU - Ehrlich,Anne H. AU - Holdren,John P. TI - Human Ecology: Problems and Solutions T2 - A Series of books in biology SN - 0716705958 AV - GF41 .E37 U1 - 301.31 22 PY - 1973/// CY - San Francisco PB - W. H. Freeman KW - Human ecology KW - Environmental policy KW - Ecology KW - Environmental health KW - Population control KW - Population growth N1 - Includes bibliographies ER -