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*1001 $aHeller, Rachelle S.$_106502900
*24510$aLogoworlds$cRachelle S. Heller, Dianne Martin, June L. Wright
*260  $aRockville, Md.$bComputer Science Press$cc1985
*300  $aXII, 301 s.$bill.
*4901 $aComputers in education series
*653  $aLOGO$_41804600
*7001 $aMartin, Dianne$_106503000
*7001 $aWright, June L.$0(NO-TrBIB)97052661$_106503100
*830 0$aComputers in education series$_106503200
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*999  $aoai:nb.bibsys.no:999415854174702202$b2021-11-14T20:50:33Z$z999415854174702202
^