Challenge for survival
Subtitle: land, air, and water for man in megalopolis
By: edited by Pierre Dansereau ; with the assistance of Virginia A. Weadock ; foreword by William Campbell Steere.
Contributors: Dansereau, Pierre Mackay, 1911-; New York (City). Botanical Garden.
Place of publication: New York
Number of pages: 235
Subjects: Human ecology -- Addresses, essays, lectures
Notes: Based on papers presented at a symposium held by the New York, Botanical Gardens, April 25-26, 1968. *** Includes bibliographical references.

6