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101 0 $aeng
200 1 $aNumbers, Groups and Codes$fJ.F. Humphreys and M.Y. Prest
210   $aCambridge$cCambridge University Press$d1989
610 0 $aAritmetica
610 0 $aTeoria dei numeri
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700  1$aHumphreys,$bJohn F.$053881
702  1$aPrest,$bM.Y.
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181   $ctxt$2rdacontent
182   $cc$2rdamedia
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200 10$aExogyra olisiponensis Sharpe and Exogyra costata Say in the Western Interior /$fby John B. Reeside, Jr
210  1$a[Washington, D.C.] :$c[Department of the Interior, U.S. Geological Survey],$d[1929]
215   $a1 online resource (267-278 pages, 5 unnumbered pages of plates) $cillustrations
225 1 $a[Professional paper] ;$v[154-I]
225 1 $aShorter contributions to general geology ;$v1928
300   $aTitle from title screen (viewed September 22, 2014).
320   $aIncludes bibliographical references and index.
517 3 $aShorter contributions to general geology, 1928
606   $aBivalves, Fossil
606   $aOysters, Fossil
606   $aPaleontology$yCretaceous
615  0$aBivalves, Fossil.
615  0$aOysters, Fossil.
615  0$aPaleontology
700   $aReeside$b John B$g(John Bernard),$f1889-1958,$01391913
712 02$aGeological Survey (U.S.),
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