TY - GEN AU - Telford,W.M. AU - Sheriff, Robert E. AU - Geldart, L. P. TI - Applied geophysics SN - 0521326931 AV - TN269 U1 - 622/.15 19 PY - 1990/// CY - Cambridge [England], New York PB - Cambridge University Press KW - Prospecting KW - Geophysical methods N1 - Includes bibliographical references and index ER -