TY  - BOOK
ED  - THE INSTITUTION OF MINING AND METALLURGY
TI  - Institution Of Mining And Metallurgy: Transactions Vol 85 March 1976
U1  - 669.05 
PY  - 1976///
CY  - LONDON
PB  - THE INSTITUTION OF MINING AND METALLURGY
KW  -  METALLURGY
KW  - MINING
ER  -