Authors: TAKESHITA H WALRAVEN V

Citation: H. Takeshita et V. Walraven, A COMPARATIVE-STUDY OF THE VARIETY AND COMPLEXITY OF OBJECT MANIPULATION IN CAPTIVE CHIMPANZEES (PAN-TROGLODYTES) AND BONOBOS (PAN-PANISCUS), Primates, 37(4), 1996, pp. 423-441

Authors: WALRAVEN V VANELSACKER L VERHEYEN R

Citation: V. Walraven et al., REACTIONS OF A GROUP OF PYGMY CHIMPANZEES (PAN-PANISCUS) TO THEIR MIRROR-IMAGES - EVIDENCE OF SELF-RECOGNITION, Primates, 36(1), 1995, pp. 145-150

Authors: VANELSACKER L WALRAVEN V

Citation: L. Vanelsacker et V. Walraven, THE SPONTANEOUS USE OF A PINEAPPLE AS A RECIPIENT BY A CAPTIVE BONOBO(PAN-PANISCUS), Mammalia, 58(1), 1994, pp. 159-162

Authors: VANELSACKER L DEMEURICHY W VERHEYEN RF WALRAVEN V

Citation: L. Vanelsacker et al., MATERNAL DIFFERENCES IN INFANT CARRIAGE IN GOLDEN-HEADED LION TAMARINS (LEONTOPITHECUS-CHRYSOMELAS), Folia primatologica, 59(3), 1992, pp. 121-126