Wolfgang Schmidt, Friedrich Wilhelm Henkel ; with a chapter on keeping poison frogs in a greenhouse by Dr. Michael Liebich, and an a chapter on the toxines of dendrobatids by Prof. Dr. Dietrich MebsEdition Chimaira2004
Friedrich-Wilhelm Henkel and Wolfgang Schmidt, with the collaboration of Michael Knöthig, Klaus Liebel, and Roland Zobel ; final translation and technical edit by Hinrich KaiserKrieger Publishing Co.2000