Using sulfur hexafluoride as a gaseous tracer to study ventilation systems in mines / by E.D. Thimons, R.J. Bielicki, and F.N. Kissell.
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| Main Author: | |
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| Other Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington] :
U.S. Bureau of Mines : [Supt. of Docs., U.S. G.P.O.(distributor)],
[1974]
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| Series: | Report of investigations (United States. Bureau of Mines) ;
7916. |
| Subjects: |