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  1. By: English, M. - Wong, Raymond Ki Wai. - Kochtubajda, Bohdan, - Alberta Research Council. - Alberta. Dept. of the Environment. - Alberta. Alberta Energy. - Alberta Oil Sands Technology and Research Authority. - Clean Air Strategy for Alberta.
    Publication info: Edmonton, Alta. :Resource Technologies, Alberta Research Council, AOSTRA Library and Information Services,1990.
    Holding Institution: University of Alberta Libraries (archive.org)