00411nam a22001337a 450000500170000000800410001702000080005804100080006608200180007410000190009224501170011126000340022830000150026220260717121034.0260717b        |||||||| |||| 00| 0 eng d  a000  aeng  a622.15bGRI/A  aGriffiths,D.H.  aApplied Geophysics for Geologists and Engineersb: The Elements ofg Geophysical Prospectingc/ by D.H. Griffiths  apoxfordbpergamon pressc1981  aviii,230p.