TY  - BOOK
ED  - United States.
TI  - Computer applications in underground mining system
U1  -  001.64 
PY  - 0000///[n.d.]
CY  - Washington, D. C.
PB  - The Department
KW  - Computer programming
KW  - Computer networkses
KW  - Data transmission systemses
N1  - Report no. 37; Interim report
ER  -