000 00281nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a621.952 C559
100 _aCHUGH,C.P
245 0 _aDRILLING TECHNOLOGY HANDBOOK
260 _aNEW DELHI
_bOxford & IBH Publishing
942 _cBB
_2DDC
999 _c6155
_d6155