The environmental crisis
By: edited by Harold W. Helfrich.
Contributors: Yale University. School of Forestry.
Publisher: Yale University Press
Published: 1970
Place of publication: New Haven (Conn.); London
Language: eng
Subjects: Pollution.; Man -- Influence on nature.; Natural resources.
Notes: 'Based on a lecture series organized by the Yale School of Forestry with funds from the Ford Foundation' in 1968-69.