01749nam0-2200505---450-9900000663902033162000052590-5809-045-00006639USA010006639(ALEPH)000006639USA01000663920000525d1999----|||y0itay0103----baengNL||||||||001yyRock support and reinforcement practice in miningproceedings of the International symposium on Ground supportKalgootlie, Western Australia, 15-17 March 1999edited by Ernesto Villaescusa, Christopher R. Windsor & Alan G. ThompsonRotterdamA.A. Balkema1999IX, 437 p25 cmMiniere Congressi 1999Congressi1999622.28THOMPSON,Alan G.VILLAESCUSA,ErnestoWINDSOR,Christopher R.International symposium on Ground support <1999 ; Kalgoorlie, Western Australia>747007ITSALBCISBD990000066390203316622.28 INT14082 Ing.622.2800000013BKTEC20000914USA01173020001019USA01105520001019USA01145320001019USA01150020001019USA01153820001024USA01151420001027USA01151820001027USA01152220001110USA01170920001124USA011207PATTY9020011109USA01112320020403USA011614PATRY9020040406USA011606Rock support and reinforcement practice in mining1491765UNISA