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ALISON M. ASHBURY, - and MARY ROSE C. POSA, - and LYNDA P. DUNKEL, - and BRIGITTE SPILLMANN, - and S. SUCI UTAMI ATMOKO, - and CAREL P. VAN SCHAIK, - and MARIA A. VAN NOORDWIJK, - (2015) Why Do Orangutans Leave the Trees? Terrestrial Behavior Among Wild Bornean Orangutans (Pongo pygmaeus wurmbii) at Tuanan, Central Kalimantan. American Journal of Primatology.
Brigitte Spillmann, - and LYNDA P. DUNKEL, - and Maria A. van Noordwijk, - and Rahmalia N. A. Amda, - and Adriano R. Lameira, - and Serge A. Wich§ & Carel P. van Schaik, - (2010) Acoustic Properties of Long Calls Given by Flanged Male Orang-Utans (Pongo pygmaeus wurmbii) Reflect Both Individual Identity and Context. international journal of behavioural biology/ethology, 116. pp. 385-395.
ADRIAN V. JAEGGI, - and LYNDA P. DUNKEL, - and MARIA A. VAN NOORDWIJK, - and SERGE A. WICH, - and AGNES A.L. SURA, - and CAREL P. VAN SCHAIK, - (2010) Social Learning of Diet and Foraging Skills by Wild Immature Bornean Orangutans: Implications for Culture. American Journal of Primatology, 72. pp. 62-71.
