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Are you Heini Hediger, author of the books below?
Wild Animals in Captivity by Heini Hediger Psychology and Behaviour of Animals in Zoos and Circuses by H... by Heini Hediger Man and animal in the zoo by Heini Hediger Fritz Hug - Maler der Tiere by Heini Hediger Tiere Verstehen by Heini Hediger Man and Animal in the Zoo by Heini Hediger Die Straßen der Tiere (Die Wissenschaft, 125) by Heini Hediger 文明に囚われた動物たち―動物園のエソロジー by Heini Hediger Zoologische Gärten, gestern, heute, morgen by Heini Hediger Studies of the psychology and behaviour of captive animals in... by Heini Hediger


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