editions of The Alex Studies: Cognitive and Communicative Abilities of Grey Parrots

The Alex Studies: Cognitive and Communicative Abilities of Grey Parrots (Paperback)
by Irene M. Pepperberg
avg rating: 4.08 (50 ratings)
isbn: 0674008065 (isbn13: 9780674008069)
published: 2002 (first published 2000) by Harvard University Press | binding: Paperback | pages: 446

The Alex Studies : Cognitive and Communicative Abilities of Grey Parrots (Hardcover)
by Irene M. Pepperberg
avg rating: 4.33 (6 ratings)
isbn: 067400051X (isbn13: 9780674000513)
published: 2000 by Harvard University Press | binding: Hardcover | pages: 446