000 00400nam a2200169Ia 4500
005 20250423100458.0
008 250422s9999 xx 000 0 und d
020 _a1555630340
050 _aTN 871.2 .B45/
100 _aBell, W. T...(et al)
245 0 _aPerforating (No. 31)
260 _aTexas
260 _bSociety of Petroleum Engineers
260 _c1991
300 _a211 p
942 _cBK
999 _c33431
_d33431