000 00363nam a2200145Ia 4500
008 180611s9999||||xx |||||||||||||| ||und||
020 _a0-471-60172-1
041 _aen
082 _a624.15132
100 _aBIENIAWSKI.Z.T.
245 0 _aEngineering Rock Mass Classifications
260 _aNew York
_bJohn Wiley & Sons
_c1989
300 _axii, 251p.
942 _cLL
999 _c9375
_d9375