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Clean air act amendments of 1977 : summary of the bill (H.R. 6161)

MLA

United States. Clean air act amendments of 1977 : summary of the bill (H.R. 6161). Washington : U.S. Govt. Print. Off., 1977.

APA

United States. (1977). Clean air act amendments of 1977 : summary of the bill (H.R. 6161). Washington : U.S. Govt. Print. Off..

Chicago

United States. Clean air act amendments of 1977 : summary of the bill (H.R. 6161). Washington : U.S. Govt. Print. Off., 1977.

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