TY  - BOOK
AU  - Erckers, Lazarus
AU  - Smith, Cyril Stanley
AU  - Sisco, Anneliese Grunhaldt
TI  - Treatise on Ores and Assaying
U1  - 553 
PY  - 1951///
CY  - Chicago
PB  - University of Chicago Press
KW  - Geology
ER  -