Abstract |
The twice per year cumulative index to both subject and author covers the following numbered abstracts in each bulletin: 28160 - 28522 in Vol. 4, No. 7, July 1973; 28523 - 29147 in Vol. 4, No. 8, August 1973; 29148 - 29810 in Vol. 4, No. 9, September 1973; 29811 - 30585 in Vol. 4, No. 10, October 1973; 30586 - 31610 in Vol. 4, No. 11, November 1973; 31611 - 31984 in Vol. 4, No. 12, December 1973. 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). |