The Modern Technique of Rock Blasting
langefors, U
The Modern Technique of Rock Blasting - NEW YORK JOHN WILEY AND SONS INC 1963
ROCK BLASTING
HZ:13 / LAN K3
The Modern Technique of Rock Blasting - NEW YORK JOHN WILEY AND SONS INC 1963
ROCK BLASTING
HZ:13 / LAN K3