Directory of United States Government Periodicals and Subscription Publications: February 1970
Publication month:
11
Publication frequency:
[Irregular. Vol. 2, no. 8, and prior issues were classified FS 2.93/6:.]
Printer:
(Health, Education, and Welfare Department, Public Health Service, Consumer Protection and Environmental Health Service, National Air Pollution Control Administration, Office of Technical Information and Publications, Air Pollution Technical Information Center, Raleigh, N.C.)