TY  - GEN
AU  - Jobes,Christopher C.
ED  - United States.
TI  - Utilizing mechanical linear transducers for the determination of a mining machine's position and heading: the concept 
T2  - Information circular
PY  - 1990///
CY  - Washington, D.C.
PB  - U.S. Dept. of the Interior, Bureau of Mines
KW  - Mining machinery
KW  - Automatic control
KW  - Data processing
KW  - Transducers
ER  -