TY - BOOK AU - Billings,Marland Pratt TI - Structural geology SN - 0138538468 AV - QE 601 .B5 1972 U1 - 551.8 PY - 1972///] CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Geology, Structural N1 - Includes bibliographical references ER -