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  1. Dictionary of ecology.
    By: Hanson, Herbert C.
    Publication info: New York,Philosophical Library[1962]
    Contributed by: Prelinger Library (
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  2. The plant community [by] Herbert C. Hanson [and] Ethan D. Churchill.
    By: Hanson, Herbert C. - Churchill, Ethan D.
    Publication info: New York,Reinhold Pub. Corp.[1961]
    Contributed by: MBLWHOI Library
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