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100   $a19910930d1978----||||0itac50      ba
101   $aita
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200 1 $a<<Il >> Venezuela e il suo petrolio$fRomulo Betancourt$ged. italiana a cura di Emilio Peruzzi
210 1 $aMilano$cRizzoli$d1978
215   $a235 p.$d22 cm.
500 10$aˆEl ‰petroleo de Venezuela .$91834813
606 0 $aIndustria petrolifera$xVenezuela$2BNCF
606 0 $aVenezuela$xPolitica economica$2BNCF
606 0 $aVenezuela$xStoria$xSec. 20.$2BNCF
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700  1$aBETANCOURT,$bRomulo$0824891
702  1$aPERUZZI,$bEmilio
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951   $aVI.7.B. 1912$b05814 ISLA$cVI.7.$d543057
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996   $aPetroleo de Venezuela$91834813
997   $aUNISA