000 00411nam a2200169Ia 4500
005 20250425160835.0
008 250425s9999 xx 000 0 und d
041 _aeng
082 _a624.1513
110 _aINTERNATIONAL SOCIETY FOR ROCK
245 0 _aBASIC GEOTECNICAL DESCRIPTION OF ROCK MASSES
250 _aS.E.
260 _aS.L.
260 _aSin Pais
_bPERG
_c1980
942 _c01
010 _a6574
999 _c197259
_d197259