Griffiths, Donald Harrison. Applied geopysics for geologists and engineers : the elements of geophysical prospecting / by D.H. Griffiths and R.F. King. - 2nd ed. - Oxford : Pergamon, 1981. - xii, 230 p. : ill. ; 21 cm. Subjects--Topical Terms: Prospecting--Geophysical methods. Dewey Class. No.: 622.15 GRI