Abstract |
The twice per year cumulative index to both subject and author covers the following numbered abstracts in each bulletin: 20049 - 20974 in Vol. 3, No. 7, July 1972; 20975 - 21918 in Vol. 3, No. 8, August 1972; 21919 - 22939 in Vol. 3, No. 9, September 1972; 22940 - 23997 in Vol. 3, No. 10, October 1972; 23998 - 24522 in Vol. 3, No. 11, November 1972; 24523 - 25048 in Vol. 3, No. 12, December 1972. In the author index, first authors are differentiated from other authors by an asterisk preceding the number of the abstract of their article. The monthly issues of Air Pollution Abstracts were published to inform air pollution personnel of the U.S. Environmental Protection Agency (EPA), and others, of technical literature recently accessioned by the Air Pollution Technical Information Center (APTIC). |