TY  - BOOK
AU  - Hoover, Theodore Jesse,
TI  - Concentraing ores by flotation: Being a description and history of a recent metallurgical development, together with a summar of patents and litigation
AV  - TN550 H651916
PY  - 1916///
CY  - London
PB  - The mining magazine
KW  - Preparación mecánica de minerales
ER  -