Weaver, Charles E. Paleontology of the Marine Tertiary Formations of Oregon and Washington : mollusca, gastropoda, cephalopoda, arthropoda. - Washington : Univ.of Washington Press, 1942. - 562 p. ; 25 cm Subjects--Topical Terms: PaleontologĂaGeologĂa marinaTerciario Subjects--Geographic Terms: OregonWashington Index Terms--Genre/Form: Libro Universal Decimal Class. No.: 56(595+797)