| Author: | Gerhard, S. L. |
|---|---|
| Year: | 1940 |
| Document Type: | N/A |
| SUDOC: | I 28.7:603 |
| Series: | Technical paper (United States. Bureau of Mines) |
| Report Number: | Technical Paper 603 |
| Subjects: | Explosives -- Testing. |
| Firedamp. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc66419/ |