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*035  $a(EXLNZ-47BIBSYS_NETWORK)999011982774702201
*035  $a(NO-LaBS)14627274(bibid)
*035  $a(NO-TrBIB)901198277
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*040  $aNO-TrBIB$bnob$ekatreg
*080  $a159.922.72Piaget
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*084  $aCc 737$2ubtkl/2
*084  $aI 407$2utk
*084  $aP 159.9.07$2utk
*1001 $aHelmore, G. A.$0(NO-TrBIB)90772585$_71825700
*24510$aPiaget - a practical consideration :$ba consideration of the general theories and work of Jean Piaget, with an account of a short follow up study of his work on the development of the conept of geometry$cby G.A. Helmore
*260  $aOxford$bPergamon Press$c1969
*300  $aVII, 73 s.$bill.
*4900 $aThe Commonwealth and international library
*60017$aPiaget, Jean$d1896-1980$0(NO-TrBIB)90052766$2bare$_10906100
*653  $abarn$akognitiv$autvikling$ageometri$aeksperimenter$autviklingspsykologi$_71825800
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^