Etiqueta de registo: 00239nx b2200097n 45
001 186876
095 ## $aPTBN00153217
100 ## $a19950804apory0103 ba
152 ## $aRPC
210 02 $aInternational Symposium on Chemical Education,$eSão Paulo,$f1971
801 #0 $aPT$bBN
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