TY  - BOOK
AU  - THOMAS, L.J.
TI  - INTRODUCTION TO MINING: EXPLORATION, FEASIBILITY, EXTRACTION AND ROCK MECHANICS
SN  - 0 454 01890 8
U1  - 622.1 
PY  - 1973///
CY  - SYDNEY
PB  - Hick Smith & Sons, Sydney 
ER  -