Portland study : first preliminary data analysis / by Janet Becker.
Publication Info.
[Ann Arbor, Mich.] : U.S. Environmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, Characterization and Applications Branch, 1978.
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Description
1 online resource (14 pages) : illustrations
text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
Note
Description based on online resource; title from PDF title screen (EPA web site, viewed on June 17, 2020).