%0 Journal Article %A Tomasello, Michael %+ Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T If They're So Good at Grammar, Then Why Don't They Talk? Hints From Apes' and Humans' Use of Gestures : %G eng %U https://hdl.handle.net/11858/00-001M-0000-000F-FEBB-A %F EDOC: 327877 %R 10.1080/15475440701225451 %D 2007 %J Language Learning and Development %V 3 %N 2 %& 133 %P 133 - 156