00343nam a2200133Ia 4500003000900000008004100009041001200050082001600062100001400078245004800092250000900140260005200149300000800201IQ-KOUCL260826s9999||||xx |||||||||||||| ||und||  aEnglish  a621.15 K 21  aP. Kearey 3aAn introduction to Geophysical exploration   aed 1  bBlackwell sientific Publications aOxfordc1984  a296