Krumbein, William Christian, 1902-1979 Stratigraphy and sedimentation, - San Francisco: W. H. Freeman, 1951. - ix, 497 p. il., maps. 25 cm. Bibliografía: p. 449-475. Nat. Bib. No.: GB51-11641 Subjects--Topical Terms: GEOLOG� A ESTRATIGRAFICASEDIMENTACIONPALEOGEOGRAF� A Dewey Class. No.: 551.3.051 K868