TY  - BOOK
AU  - Bernstein, Marvin D
TI  - The mexican mining industry,: a study of the interaction of politics, and technology 
AV  - HD 9506.M6 B4
PY  - 1964///
CY  - New York
PB  - State University
KW  - Industrias minerales -
KW  - México
ER  -