Ragan, Donal M. Structural geology : : an introduction to geometrical techniques / [electronic resource] / Donal M. Ragan.. — 3rd ed.. — New York : : Wiley,, c1985.. — x, 393 p. : : ill. ; 28 cm. Includes indexes. Includes bibliographical references (p. 371-387). ISBN: 0471080438 (pbk.) 9780471080435 (pbk.) LCCN: 84019658 Nat. Bib. No.: GB86-225 Subjects--Topical Terms: Geology, Structural.GĂ©omorphologie structurale.Tectonique. Subjects--Index Terms: Structural geology Geometrical techniques LC Class. No.: QE601 / .R23 1985 Dewey Class. No.: 551.8/01/516