Continuous monitoring system for mine gas concentrations using tube bundles /
by Zachary J. Fink and David T. Adler.
- [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975].
- 15 p. : ill.
- Report of investigations ; 8060 .
- United States. Bureau of Mines. Report of investigations ; 8060 .
- Report of investigations (United States. Bureau of Mines) ; 8060 .