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The Alex Studies
heftet,
2002,
Engelsk,
ISBN 9780674008069
Can a parrot understand complex concepts and mean what it says? Since the early 1900s, most studies on animal-human communication have focused on great apes and a few cetacean …
Alex Studies
e-bok,
2002,
Engelsk,
ISBN 9780674041998
Can a parrot understand complex concepts and mean what it says? Since the early 1900s, most studies on animal-human communication have focused on great apes and a few cetacean …