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*035  $a(NO-LaBS)13947518(bibid)
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*1001 $aMagne, Olof$0(NO-TrBIB)90107965$_14558400
*24513$aAn experiment on preschool geometry$cOlof Magne
*260  $aMalmö$bDepartment of Educational and Psychological Research, School of Education$c1989
*300  $a82 s.$bill.
*4901 $aDidakometry$v73
*653  $ageometri$abarnehager$amatematikk$abegynnerundervisning$_51716800
*830  $aDidakometry$x0046-0230$v73$w998220370094702201$_14558700
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*999  $aoai:nb.bibsys.no:999005210824702202$b2021-11-14T20:05:04Z$z999005210824702202
^