00543nam a2200169Ia 4500003000400000008004100004020001400045040000800059100002500067245007600092260003800168300001300206901002100219942001200240952010400252999001700356LDD181029s9999    xx            000 0 und d  a300035799  cLDD  aKITCHENER, Richard F 0aPiaget's theory of knowledgebgenetic epistemologycRichard F KITCHENER  aNew HavenbYale Univ. Pressc1986  aix, 230p  a2126b02-01-2001  2ddccBK  00102ddc4070931350aLDDbLDDd2018-11-01l0o121.0924 K647Pp014666r2018-11-01w2018-11-01yBK  c31351d31351