TY  - BOOK
AU  - Truscott,S.J.
TI  - Mine Economics
U1  - 622 22
PY  - 1962///
CY  - London
PB  - Mining Publications
KW  - Mineral industries
KW  - Ores
KW  - Sampling and estimation
KW  -  Mine valuation
N1  - Includes indexs (p.: 466 - 471 )
ER  -