Dasmann, Raymond Fredric, 1919-
Planet in peril : man and the biosphere today / Raymond F. Dasmann. - New Delhi, India : Sterling Publ., 1972. - xii, 242 p. : ill.
"A UNESCO book."
0529044544
Ecology.
Nature conservation.
Nature--Effect of human beings on
Planet in peril : man and the biosphere today / Raymond F. Dasmann. - New Delhi, India : Sterling Publ., 1972. - xii, 242 p. : ill.
"A UNESCO book."
0529044544
Ecology.
Nature conservation.
Nature--Effect of human beings on