New horizons in rock mechanic : proceedings
HARDY, H. Reginald
New horizons in rock mechanic : proceedings - N.Y 1973 - 785p
SOIL MECHANICS
MINING ENGINEERING ROCKS SOIL MECHANICS
622 S99N
New horizons in rock mechanic : proceedings - N.Y 1973 - 785p
SOIL MECHANICS
MINING ENGINEERING ROCKS SOIL MECHANICS
622 S99N