TY  - BOOK
AU  - Voskuil, Walter Henry,
TI  - Minerals in the world industry
U1  - 338.2 VOS 
PY  - 1955///
CY  - New York
PB  - MacGraw-Hill
KW  - Mineral industries
KW  - Mines and mineral resources
N1  - Includes bibliographies
ER  -