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Plants - people - and environmental quality : a study of plants and their environmental functions

Topic: 
ENVIRONMENT
Author: 
Robinette, Gary O.
Publisher/Date: 
Washington, D.C. : U.S. Dept. of the Interior, National Park Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1972
Note: 
Includes bibliographical references (p. 129-[137])