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Author(s): Zippi, P. A.
Publication Date: 1991.
Publisher(s): Environment Ontario
Contributor(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Category: Others
Subject(s): Acid pollution of rivers, lakes, etc.--Ontario. , Lake sediments--Ontario. , Zygnemataceae--Ontario. , Palynology--Ontario.
Keywords: Lake sediments Ontario. Zygnemataceae Ontario. Palynology Ontario. Acid pollution of rivers, lakes, etc. Ontario.

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