author = { Roach, Mary A. AND Barratt, Marguerite Stevenson AND Miller, Jon F. AND Leavitt, Lewis A. },

title = { The structure of mother–child play: Young children with Down syndrome and typically developing children. },

publisher = {American Psychological Association (APA)},

isbn = {1939-0599},

isbn = {0012-1649},

keywords = { Life-span and Life-course Studies , Developmental and Educational Psychology , Demography },

year = {1998},

url = { http://slubdd.de/katalog?TN_libero_mab2 }