TY  - BOOK
AU  - Schiffbauer,William H.
TI  - Passive encoder for range knobs
T2  - Information circular
U1  - 622 s 
PY  - 1983///
CY  - [Washington, D.C.]
PB  - U.S. Dept. of the Interior, Bureau of Mines
KW  - Computer interfaces
ER  -