Object permanence in Giraffa camelopardalis: First steps in giraffes’ physical cognition.
2014 ◽
Vol 76
(8)
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pp. 1133-1136
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1992 ◽
Vol 106
(1)
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pp. 58-68
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2011 ◽
Vol 125
(2)
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pp. 194-206
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2009 ◽
Vol 177
(1)
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pp. 73-79
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