Sudoc Stem: EP 4.13 - Blacklight Search Results

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1. Air pollution training courses, July 1972-June 1973 and University training programs, Institute for Air Pollution Training.

Corporate/Agency Authors:: Air Programs Office and Environmental Protection Agency
Publisher:: Air Programs Office
Date:: July 1972
SuDoc number:: EP 4.13:972-73

2. Air Pollution Control Office publication APTD (series). Air pollution training courses, July 1971-June 1972 and University training programs, extramural programs, Institute for Air Pollution Training, planning and special projects.

Corporate/Agency Authors:: Air Programs Office and Environmental Protection Agency
Publisher:: Air Programs Office
Date:: July 1971
SuDoc number:: EP 4.13:971-72