| Author: | Sparks, Anthony W. |
|---|---|
| Additional Authors: | Stengel, Jerry W.,, Stein, R. L. |
| Year: | 1980 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:8496 |
| Series: | Report of investigation / United States. Bureau of Mines ; |
| Report Number: | 8496 |
| Subjects: | Breathing apparatus--Testing |
| Respiration--Simulation methods | |
| Mine safety--Equipment and supplies--Testing | |
| Link: | https://hdl.handle.net/2027/mdp.39015078474130 |