TY  - GEN
AU  - Langefors, U.
AU  - Kihlstrom, B
TI  - The Modern technique of rock blasting
PY  - 1963///
CY  - Stockholm
PB  - Almqvist & Wiksell
KW  - MINES AND MINING-ROCK BURSTS
KW  - ROCK-BLASTING
ER  -