TY  - BOOK
ED  - The American Institute of Mining and Metallurgical Engineers
TI  - Industrial minerals and rocks
PY  - 1937///
CY  - New York
PB  - The Am.Inst.of Min.and Met.Eng
KW  - Geología económica
KW  - Minerales
KW  - Roca
KW  - Libro
ER  -