TY - GEN AU - Milson, John TI - Field geophysics SN - 0-471-96634-7 U1 - 622.15 CY - New York PB - John Wiley, USA KW - Mining technology KW - Geophysical prospecting KW - Gravitation KW - Geomagnetism KW - Electromagnetism KW - Resources exploration N1 - Bibliography: p.181-183; 971126; M ER -