Charles W Heckman

Charles W. Heckman spent two years of combat service in Vietnam as an U.S. Air Force pilot and subsequently supported the anticommunist forces in Southeast Asia as a civilian pilot. He is now a biologist living in Hamburg, West Germany.
Ebooks
Encyclopedia of South American Aquatic Insects: Hemiptera - Heteroptera: Illustrated Keys to Known Families, Genera, and Species in South America
Neuroptera (Including Megaloptera)
Rice Field Ecology in Northeastern Thailand: The Effect of Wet and Dry Seasons on a Cultivated Aquatic Ecosystem
Book 34
Encyclopedia of South American Aquatic Insects: Collembola: Illustrated Keys to Known Families, Genera, and Species in South America
The Pantanal of Poconé: Biota and Ecology in the Northern Section of the World’s Largest Pristine Wetland
Book 77
The Phnom Penh Airlift: Confessions of a Pig Pilot in the Early 1970s
€16.64
Encyclopedia of South American Aquatic Insects: Ephemeroptera: Illustrated Keys to Known Families, Genera, and Species in South America
Ecological Strategies of Aquatic Insects
Encyclopedia of South American Aquatic Insects: Odonata - Zygoptera: Illustrated Keys to Known Families, Genera, and Species in South America