Remote transducer based on coherent mixing of backscattered laser light /
by Robert A. Bruce.
- [Washington] : U.S. Dept. of the Interior, Bureau of Mines, 1977.
- [3], 13 p. : ill.
- Report of investigations ;�8220 .
- United States. Bureau of Mines. Report of investigations ; 8220. .
- Report of investigations (United States. Bureau of Mines) ; 8220 .
91055198
Transducers. Vibration transducers. Lasers in mining.