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1

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Encyclopedia of South American Aquatic Insects: Odonata - Zygoptera Illustrated Keys to Known Families, Genera, and Species in South America / by Charles W. Heckman.

by Heckman, Charles W., Heckman, Charles W.
Published 2008

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2

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Ecological strategies of aquatic insects Charles W. Heckman.

by Heckman, Charles W., 1941-
Published 2018

3

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Encyclopedia of South American aquatic insects : Odonata - Anisoptera : illustrated keys to known families, genera, and species in South America Charles W. Heckman.

by Heckman, Charles W.
Published 2006