Research and development related to sulphates in the atmosphere :
hearings before the Subcommittee on the Environment and the Atmosphere of the Committee on Science and Technology, U.S. House of Representatives, Ninety-fourth Congress, first session ...
|Corporate Author:||United States.|
Washington : U.S. Govt. Print. Off., 1976.
Air > Pollution > United States.
Hearings held July 8-14, 1975.
iii, 1029 p. :
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