% pubman genre = book-item @incollection{item_3034819, title = {{An energetic model of foraging optimisation: Wild chimpanzee hammer selection for nut-cracking}}, author = {Sirianni, Giulia and Luncz, Lydia V. and Gratton, Paolo}, language = {eng}, isbn = {9781108481557}, publisher = {Cambridge University Press}, address = {Cambridge}, year = {2019}, date = {2019-11-28}, booktitle = {{The chimpanzees of the Ta{\"\i} forest: 40 years of research}}, editor = {Boesch, Christophe and Wittig, Roman M.}, pages = {104--124}, }