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100   $a20130416d1967----km-y0itay50------ba
101 0 $aeng
102   $aUS
105   $aa-------001yy
200 1 $aRock mechanics and the design of structures in rock$fLeonard Obert, Wilbur I. Duvall
210   $aNew York [etc]$cJohn Wiley ans sons$d1967
215   $aXIX, 650 p.$cill.$d24 cm
610 0 $aMeccanica delle rocce
700  1$aObert,$bLeonard$0519739
701  1$aDuvall,$bWilbur I.$0519740
801  0$aIT$bUNINA$gRICA$2UNIMARC
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996   $aRock mechanics and the design of structures in rock$9843757
997   $aUNINA