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author
Konrad Lorenz
Buku oleh Konrad Lorenz
Comparative Studies on the Behaviour of Anatinae The Expression of the Emotions in Man and Animals Penilaian: 0 dari 5 bintang0 penilaianResearch Is a Passion With Me: The Autobiography of a Bird Lover Penilaian: 0 dari 5 bintang0 penilaian