TY  - BOOK
ED  - INSTITUTION OF MINING & METALLURGY
TI  - TRANSACTIONS OF THE INSTITUTION OF MINING & METALLURGY VOL. 83 1974
U1  - 669.05 
PY  - 1974///
CY  - LONDON
PB  - THE INSTITUTION OF MINING AND METALLURGY
KW  - MINING & METALLURGY
ER  -