00337nam a2200085Ia 4500008004100000245007800041260000900119300009800128650002500226180130s9999    xx            000 0 und d  cBarratt, Marguerite; Fener, EricaaInfancy research, policy, and practice  c2014  aBook title: Blackwell handbook of infant development--Acession number C19029; pages 1034-1054  aINFANTS--DEVELOPMENT