Sousa, L. Ribeiro E., ed. Grossmann, N.F., ed.
Safety and environmental issues in rock engineering : proceedings of ... - Roterdam A.A. Balkema 1993-1995 - 2 vols.
Text in English, Potuguese & German. 2 vols 65610-vol.1- 90-5410-340-X ; 65611-vol.2- 90-5410-341-8
ACCIDENT PREVENTION
MINES AND MINING
ROKS
ROCK DRILLING
624.12 / E9
Safety and environmental issues in rock engineering : proceedings of ... - Roterdam A.A. Balkema 1993-1995 - 2 vols.
Text in English, Potuguese & German. 2 vols 65610-vol.1- 90-5410-340-X ; 65611-vol.2- 90-5410-341-8
ACCIDENT PREVENTION
MINES AND MINING
ROKS
ROCK DRILLING
624.12 / E9