Books by John Shubilla:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Shubilla, John: Laboratory testing of compressed-oxygen self-rescuers for ruggedness and reliability (U.S. Dept. of the Interior, Bureau of Mines, 1983), also by Wayne Duerr, John Kovac, and Nicholas Kyriazi (page images at HathiTrust)- Shubilla, John: Laboratory testing of the CSE SR-100 self-contained self-rescuer for ruggedness and reliability (U.S. Dept. of the Interior, Bureau of Mines, 1990), also by Wayne Duerr, John Kovac, and Nicholas Kyriazi (page images at HathiTrust)
Find more by John Shubilla at your library, or elsewhere.