Etiqueta de registo: 00000nx b22000253 45
001 1557879
100 ## $a20131230apory0103 ba0
102 ## $aPT
152 ## $aRPC
210 12 $a"International Conference on the History of Mathematics Education" - "Dig where you stand" ,$d2,$eLisboa,$f2011
801 #0 $aPT$bBN
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