Cover image for A recommended air pollution index
Title:
A recommended air pollution index
Author:
United States. Federal Interagency Task Force on Air Quality Indicators.
Publication Information:
Washington : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976.
Physical Description:
v, 65 pages : illustrations, maps, charts. ; 27 cm
Language:
English
Format :
Book