000 00567 a2200289 4500
001 42467
020 _a0-471-88854-03
041 _aeng
080 _a624.152 Cla
245 _aPrinciples of rock fragmentation
250 _a
260 _aNew York
260 _bJohn Wiley,
260 _c1987
300 _ax,610 p.
300 _c23 cm
490 _a
100 _aClark, George B.
700 _a
650 _a
650 _aBoring
650 _aRock-drills
650 _aRock excavation
650 _aRocks-Fracture
942 _cBK
942 _2UDC
999 _c36265
_d36265