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- Some signaling systems in metal-mine shafts
- Some studies on emergency mine communications
- Mine pager to public telephone interconnect system
- Mine communications :proceedings: Bureau of Mines Technology Transfer Seminar, Bruceton, Pa., March 21-22, 1973
- An electromagnetic system for detecting and locating trapped miners
- Seismic detection of trapped miners using in-mine geophones
- Underground mine communications(in four parts) :
- Underground mine communications(in four parts) :
- Underground mine communications(in four parts) :
- Underground mine communications(in four parts) :
- Electromagnetic surface fields due to a magnetic dipole buried in a three-layered earth
- Above-the-earth field contours for a dipole buried in a homgeneous half-space
- Underground mine communications, control, and monitoring
- A Short-range locator system for detecting trapped miners
- A low-cost FSK modem network for polled communication systems