000 00332nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a0878144374
082 _a622.23 N319
100 _aNAVARRO,A
245 0 _aENVIRONMENTALLY SAFE DRILLING PRACTICES
260 _aOKLAHONA
_bPENNWELL
_c1995
300 _a23X16
942 _cBK
_2DDC
999 _c25280
_d25280