Ward, Barbara,
Only one earth; the care and maintenance of a small planet, - [1st ed.] - New York, Norton [1972] - xxv, 225 p. 21 cm.
"An unofficial report commissioned by the Secretary-General of the United Nations Conference on the Human Environment, prepared with the assistance of a 152-member committee of corresponding consultants in 58 countries."
0393063917
Human ecology.
301 NOR 1972 A012 Or.
Only one earth; the care and maintenance of a small planet, - [1st ed.] - New York, Norton [1972] - xxv, 225 p. 21 cm.
"An unofficial report commissioned by the Secretary-General of the United Nations Conference on the Human Environment, prepared with the assistance of a 152-member committee of corresponding consultants in 58 countries."
0393063917
Human ecology.
301 NOR 1972 A012 Or.