TY  - BOOK
AU  - Smith, Ernest A. 
TI  -  The Sampling And Assay Of The Precious Metals : Comprising Gold, Silver, Platinum, And The Platinum Group Metals In Ores, Bullion, And Products
U1  - 669.9 23
PY  - 1947///
CY  - London
PB  - Charles Griffin & Company
KW  - Precious metals
KW  - Ores
KW  - Sampling and estimation
KW  - Assaying
N1  - Includes indexs ( p.: 499 - 505 )
ER  -