Nettleton, Lewis Lomax, 1896- Elementary gravity and magnetics for geologists and seismologists by L. L. Nettleton - Tulsa, Oklahoma Society of Exploration Geophysicists 1971 - x, 121 p. : ill. ; 23 cm. - Monograph series 1 . Bibliography: p. 118. Subjects--Topical Terms: GravityGeomagnetism