00621nam a2200169Ia 4500003000400000008004100004040000800045100002500053245008200078260003400160300001500194440005900209901002100268942001200289952013300301999001700434LDD181029s9999    xx            000 0 und d  cLDD  aHiele, Pierre M. Van 0aStructure and insightba theory of mathematics educationcPierre M. Van Hiele  aOrlandobAcademic Pressc1986  aviii, 246p  aDevelopmental psychology series edited by Harry Beilin  a2126b02-01-2001  2ddccBK  00102ddc4070933256aLDDbLDDd2018-11-01l1o372.7 H531Sp016573q2019-09-27r2019-09-13s2019-09-13w2018-11-01yBKzIssued  c33257d33257