00493nam a2200169Ia 450000500170000000800410001704000190005804100120007708200150008910000180010424500840012226000420020630000130024850400360026165000150029785000110031220240322131843.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a155.4bELK  aElkind ,David  aChildren and Adolescescentsb Interpretive Essays on Jean Piaget cDavid Elkind  aLondonbOxford University Pressc1970  axi,160p   aIncludes bibliography reference  aPsychology  aLCBED