TY  - BOOK
AU  - Hass,Larry A.
AU  - Hebble,Terry L
TI  - Influence of chelating reagents on leaving of copper ore
U1  -  338.4767330973021 
PY  - 1985///
CY  - U.S.A
PB  - United States Government Printing Office
KW  - Copper industry and trade
KW  - United States
KW  - Statistics
KW  - Industrial statistics
N1  - Report of investigations 8965
ER  -