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040 CURLBL
100 1 Pepperberg, Irene M.
245 14 The Alex studies :|bcognitive and communicative abilities
of grey parrots.
260 Cambridge, Mass. :|bHarvard University Press,|c2002.
300 434p.
500 Originally published: 2000.
650 0 African gray parrot|xBehavior.
650 0 Cognition in animals.
650 0 Animal communication.
|