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100   $a20190628d1980----kmuy0itay5050    ba
101 0 $aeng
102   $aUS
105   $a        001yy
200 1 $aComposition and properties of oil well drilling fluids$fGeorge R., Gray; H.C.H. Darley
205   $a4 ed.
210   $aHouston$cGulf publishing company$d1980
215   $aXI, 630 p.$d24 cm
700  1$aGray,$bGeorge R.$0765309
701  1$aDarley,$bH. C. H.$0765310
801  0$aIT$bUNINA$gREICAT$2UNIMARC
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952   $a15 ID B/4-37$b2997$fDINID
959   $aDINID
996   $aComposition and properties of oil well drilling fluids$91555348
997   $aUNINA