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A Clear View
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The Environmental Handbook
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Federal Pollution Control Programs
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Vanishing Air
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Foster, Robert J.
Earth Science
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Air Travel
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The Earth
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Obert, Edward F.
Internal Combustion Engines and Air Pollution
, Intext Educational Publisher, New York, 1973
Schiff, Barry.
Flying
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Turk, Amos and Jonathan,
Environmental Science
, W.B. Saunders Company, Philadelphia, PA. 1974.
Williamson, Samuel J.
Fundamentals of Air Pollution
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