TY  - GEN
AU  - Sammarco,John J.
TI  - Mining machine orientation control based on inertial, gravitational, and magnetic sensors
T2  - Report of investigations
PY  - 1990///
CY  - Washington, D.C.
PB  - United States Dept. of the Interior, Bureau of Mines
KW  - Coal-mining machinery
KW  - Automatic control
KW  - Navigation
KW  - Data processing
ER  -