Showing 1 - 2 results of 2 for search 'Thomas, William A.' Refine Results
  1. 1
    Biological indicators of environmental quality : a bibliography of abstracts / by William A. Thomas, Gerald Goldstein [and] William H. Wilcox.
    by Thomas, William A.
    Published 1973
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  2. 2
    Indicators of environmental quality : proceedings of a symposium held during the AAAS Meeting in Philadelphia, Pennsylvania, December 26-31,1971 / edited by William A. Thomas.
    Published 1972
    Other Authors: '; “...Thomas, William A....”
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