TY  - BOOK
AU  - Bernstein Maruin D
TI  - Mexican mining industry 1890-1950 :  A study of the   
U1  - X9(HZ).74.N50<-M90, L5 
PY  - 1965///
CY  - New York
PB  - State university USA       
KW  - Minings
ER  -