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1
Essays in debate with Theo Kuipers.
Published 2005An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
2
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3
A Catalog of Scolytidae and Platypodidae (Coleoptera).
Published 2002An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
4
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5
Handbook of avian hybrids of the world
Published 2006An electronic book accessible through the World Wide Web; click to view
Electronic eBook