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  1. Foliage chemistry surveys in the vicinity of Allied Chemicals Canada Incorporated and General Chemical Canada Limited, Amherstburg, Ontario in 1988, 1989 and 1990 : report / prepared by William I. Gizyn.
    By: Gizyn, W. I.
    Publication info: [Toronto] :Environment Ontario[1991]
    Contributed by: Ontario Ministry of the Environment (archive.org)
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  2. Phytotoxicology survey report : UCAR Carbon Canada Incorporated, Welland, 1992 & 1993 / prepared by: William I. Gizyn.
    By: Gizyn, W. I. - Ontario.
    Publication info: [Toronto] :Standards Development Branch, Phytotoxicology Section, Ontario Ministry of Environment and Energy,1994.
    Contributed by: Ontario Ministry of the Environment (archive.org)
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