Conceptual abilities of some nonprimate species, with an emphasis on an African Grey parrot
2010 ◽
pp. 469-508
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2011 ◽
Vol 42
(2)
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pp. 309-312
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2009 ◽
Vol 3
(1)
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pp. 1-16
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Keyword(s):
2011 ◽
Vol 125
(2)
◽
pp. 175-184
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1988 ◽
Vol 50
(3)
◽
pp. 553-564
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2012 ◽
Vol 26
(1)
◽
pp. 17-21
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