%0 Thesis %A Gräfenhain, Maria %+ Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T Young children's understanding of joint activity : %G eng %U https://hdl.handle.net/11858/00-001M-0000-002B-579E-D %I Univ. %C Leipzig %D 2008 %P vii, 137, cxli %V phd %9 phd %K Social perception in children; Social interaction in children