Absence of knowledge attribution and self-recognition in young chimpanzees (Pan troglodytes).
1994 ◽
Vol 108
(1)
◽
pp. 74-80
◽
1992 ◽
Vol 106
(2)
◽
pp. 120-127
◽
1993 ◽
Vol 107
(4)
◽
pp. 347-372
◽
1977 ◽
Vol 32
(5)
◽
pp. 329-338
◽
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