The Modern Technique of Rock Blasting
langefors, U
The Modern Technique of Rock Blasting - 3 Ed. - Sydney John Wiley & Sons 1978
MINING
BLASTING
HZ:13 / LAN L8
The Modern Technique of Rock Blasting - 3 Ed. - Sydney John Wiley & Sons 1978
MINING
BLASTING
HZ:13 / LAN L8