000 00250nam a2200073Ia 4500
245 _aBulletin of the Oil & Natural Gas Commission : Vol 6-7(1-2)
260 _bResearch & Train Inst Oil & Natu Gas Comm, Dehra Dun, India
082 _aHm2,N64 N69-70.6-7/V19920
999 _c32881
_d32881