Dengler, Lorinda A. The microstructure of deformed graywacke sandstones (microform) / Lorinda Ann Dengler. - Ann Arbor, Mich. : University Microfilms International, 1979. - 3 microfiches ; 11 x 15 cm. Thesis (Ph.D.)-University of California, 1979 ISBN: Y910040036 Subjects--Topical Terms: Sandstone.