Etiqueta de registo: 00265nx b22000973 45
001 330844
100 ## $a19890804apora0103 ba0
102 ## $aIT
152 ## $aRPC
210 12 $aNATO Advanced Study Institute on Learning Physics and Mathematics Via Computers,$eSan Miniato,$f1985
801 #0 $aPT$bBN
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