000 00274nam a2200121Ia 4500
999 _c10798
_d10798
020 _a0878142924
100 _aPreston L Moore
245 _aDrilling Practices Manual
250 _a2
260 _c1986
_bPENWELL PUBLISHERS
_aOklahorna USA
300 _axix+586
942 _cREF