Plants/people/and environmental quality
Subtitle: a study of plants and  their environmental functions.
Contributors: United States. National Park Service.; American Society of Landscape Architects Foundation.
Publisher: U.S. Dept. of the Interior, National Park  Service...in collaboration with the American Society of Landscape Architects  Foundation
Published: 1972
Place of publication: Washington, D.C
Language: eng
Number of pages: 136
Subjects: Landscape architecture.; Plants, Ornamental.; Plants as sanitary agents.