Etiqueta de registo: 00264nx b2200097 45
001 146026
095 ## $aPTBN00114209
100 ## $a19940919apory0103 ba
102 ## $aPT
152 ## $aRPC
210 12 $aInternational Conference on Physics Education - Light and Information,$eBraga,$f1993
410 12 $aGIREP'93$3146027
801 #0 $aPT$bBN
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