TY  - BOOK
ED  - United States. Bureau of Mines.
TI  - Nonfuel mineral model directory
T2  - Bureau of Mines information circular 1984 ; 8966
SN  - 83-600342
U1  - 622 s 
PY  - 1984///]
CY  - [Avondale, Md.]
PB  - U.S. Dept. of the Interior, Bureau of Mines
KW  - Mines and mineral resources
KW  - Mathematical models
KW  - Directories
ER  -