Billings, Marland P. Structural geology / Marland P. Billings - Third edition - New Jersey : Prentice-Hall, Inc., 1972. - xiv, 606 pages : 24 cm. Includes index ISBN: 0138538468 HB. Pb. Subjects--Topical Terms: Geology LC Class. No.: QE 601 B55 1972 ASA