Only one earth : the care and maintenance of a small planet - Ward, Barbara, 1914-; Dubos, Rene J. (Rene Jules), 1901-1982.; United Nations Conference on the Human Environment (1972 : Sto ckholm, Sweden) (New York : Norton, 1972)
"An unofficial report commissioned by the Secretary-General of the U nited Nations Conference on the Human Environment, prepared with the as sistance of a 152-member committee of corresponding consultants in 58 c ountries."
Keywords: Human ecology