Author: | Bruce, Robert A. |
---|---|
Year: | 1977 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:8220 |
Series: | Report of investigations - Bureau of Mines ; |
Report Number: | 8220 |
Subjects: | Lasers in mining |
Transducers | |
Vibration transducers | |
Link: | https://hdl.handle.net/2027/mdp.39015078473009 |