000 00332nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a0070154910
082 _a622.3382 D247
100 _aDAVENPORT,B
245 0 _aHORIZONTAL AND VERTICAL DRILLING
260 _aNEW YORK
_bMcGraw-Hill
_c1992
300 _a24X16
942 _cBK
_2DDC
999 _c25600
_d25600