000			00381nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a551.11
100			_aDobrin,M.B.
245			_aIntroduction to geophysical prospecting.2nd ed.
260			_aN.Y. _bMcGraw-Hill _c1960
300			_a446
650			_aScience of the Earth.
653			_aScience of the Earth.
942			_2ddc _cBK
999			_c1710 _d1710