Environmental problems; principles, readings, and comments
By: [by] William H. Mason [and] George W. Folkerts.
Contributors: Folkerts, George W., joint comp.
Publisher: W. C. Brown
Published: 1973
Place of publication: Dubuque, Iowa
Language: eng
Number of pages: 399
Subjects: Human ecology; Environmental protection -- Addresses, essays, lectures
Notes: Includes bibliographies.