000 00311nam a2200133 a 4500
005 20151028162151.0
008 960221s1955 dcuabcdjdbkoqu001 0deng d
082 _a627
_bM51
245 _aWell drilling manual
653 _a
942 _cBK
260 _aJodhpur
_bScientific Publishers
_c1985
003 ViArRB
999 _c76515
_d76515