TY - BOOK AU - Fitch, A. A. TI - Developments in geophysical exploration methods. 6 / SN - 0853343446 AV - TN 269 .D4 PY - 1985/// CY - London PB - Elsevier Applied Science KW - Mining engineering--Metallurgy KW - Prosfecting- Geophysical methods N1 - Includes bibliographies and index ER -