Understanding the game of the environment
Subtitle: an illustrated guide to understanding ecological principles
By: by David R. Houston.
Series: Agriculture information bulletin ; no. 426; Agriculture information bulletin ;; no. 426.
Publisher: U.S. Dept. of Agriculture, Forest Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1979
Place of publication: Washington D.C
Language: eng
Number of pages: 174
Subjects: Ecology.