LEADER 00748cas0 2200265   450 
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005 20200904094234.0
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102   $aIT
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200 1 $aSigma$econoscenza unitaria
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210   $aRoma$cPartenia
215   $av.$d24 cm
300   $aPeriodicità non determinata
801  0$aIT$bUNISOB$c20200904$gRICA
850   $aUNISOB
852   $aUNISOB$jEst$m6508
912   $aSOBP100131
940   $aS 120 Periodico SBN
941   $aS
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996   $aSigma$9786436
997   $aUNISOB