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- Corporate/Agency Authors:
- Air Programs Office and Environmental Protection Agency
- Publisher:
- Air Programs Office
- Date:
- Revised 1972. Feb. 1972
- SuDoc number:
- EP 4.9/2:0907
- Corporate/Agency Authors:
- Air Programs Office and Environmental Protection Agency
- Publisher:
- Air Programs Office
- Date:
- Jan. 1972
- SuDoc number:
- EP 4.9/2:(nos.)
- Corporate/Agency Authors:
- Air Programs Office and Environmental Protection Agency
- Publisher:
- Air Programs Office
- Date:
- July 1971 [2d printing 1972]. [1972.]
- SuDoc number:
- EP 4.9/2:(nos.)
- Corporate/Agency Authors:
- Air Programs Office and Environmental Protection Agency
- Publisher:
- Air Programs Office
- Date:
- Dec. 1971
- SuDoc number:
- EP 4.9/2:(nos.)
- Corporate/Agency Authors:
- Air Programs Office and Environmental Protection Agency
- Publisher:
- Air Programs Office
- Date:
- Dec. 1971
- SuDoc number:
- EP 4.9/2:(nos.)
- Corporate/Agency Authors:
- Air Programs Office and Environmental Protection Agency
- Publisher:
- Air Programs Office
- Date:
- Aug. 1971
- SuDoc number:
- EP 4.9/2:0711
- Corporate/Agency Authors:
- Air Programs Office and Environmental Protection Agency
- Publisher:
- Air Programs Office
- Date:
- [July 1971.]
- SuDoc number:
- EP 4.9/2:0863
- Corporate/Agency Authors:
- Air Programs Office and Environmental Protection Agency
- Publisher:
- Air Programs Office
- Date:
- July 1971
- SuDoc number:
- EP 4.9/2:0633
- Corporate/Agency Authors:
- Air Programs Office and Environmental Protection Agency
- Publisher:
- Air Programs Office
- Date:
- May 1971
- SuDoc number:
- EP 4.9/2:0666
- Corporate/Agency Authors:
- Air Pollution Control Office and Environmental Protection Agency
- Publisher:
- Air Pollution Control Office
- Date:
- Apr. 1971
- SuDoc number:
- EP 4.9/2:(nos.)