International joint conference of the American Geographival Society and the American Division of the World Academy of Art and Science, April 27 - May 2, 1970
Environment and Society in Transition. New York: Academy of Sciences, 1971 699 p. : ill.
Environment and Society in Transition. New York: Academy of Sciences, 1971 699 p. : ill.
(1971) Environment and Society in Transition, New York: Academy of Sciences 699 p. : ill.
(1971). Environment and Society in Transition. International joint conference of the American Geographival Society and the American Division of the World Academy of Art and Science, April 27 - May 2, 1970. New York: Academy of Sciences, 699 p. : ill.
Environment and Society in Transition: International joint conference of the American Geographival Society and the American Division of the World Academy of Art and Science, April 27 - May 2, 1970. New York: Academy of Sciences; 1971. p. 699 p. : ill.
