000 00473nam a2200193Ia 4500
999 _c6667
_d6667
005 20200313115120.0
008 200130s9999||||xx |||||||||||||| ||und||
040 _aMAIN
082 _a665.7
_bSID
100 _aSidorov, N. A.
245 0 _aDrilliong oil and gas wells /
_cby N. A. Sidorov.
260 _bMir Publishers,
_aMoscow :
300 _a264 p.;
_bHBB
650 _aGeology
650 _aDrilling
650 _aOil well
650 _aGas well
942 _cBK
_2ddc