"Publication Number AP-122"--V. 4 (Apr. 1973).
"A bibliography with abstracts."
Vols. 1-2 issued by: National Air Pollution Control Administration, in conjunction with the Air Pollution Technical Information Center; v. 4- issued by: Environmental Protection Agency, Office of Administration, Information Services Division.
Description based on: Vol. 1 (May 1969); title from title screen (viewed May 10, 2011).
Latest issue consulted: Vol. 4 (Apr. 1973) (viewed May 10, 2011).