TY  - BOOK
AU  - Lofty, G. J.[et al]
TI  - World mineral statistics 1976-80: Production ,exports,imports
T2  - Institute of geological sciences
SN  - 0118843400
U1  - 549.0212 
PY  - 1982///
CY  - London
PB  - Her Majesty's Stationery Office
ER  -