000 00486nam a2200193Ia 4500
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040 _aUPES LIBRARY
_bEnglish
082 _a641.583
_bLYO
100 _aLyons, William C
_96466
245 _aAir and gas drilling manual
260 _aNew Delhi:
_bMcGraw Hill,
_c2001
300 _av.p.
650 _aMining
653 _aDrilling
700 _aGuo, Boyun
_93071
705 _aSeidel,Frank A
942 _cBK
999 _c13473
_d13473