TY  - BOOK
AU  - Smythe,J.A.
TI  - Lead: its occurrence in nature, the modes of its extraction, its prperties and uses, with some account of its principal compounds
PY  - 1923///
CY  - London
PB  - Longmans Green and Co
KW  - Geología económica
KW  - Plomo
KW  - Libro
ER  -