| Author: | Woolfolk, E. O. |
|---|---|
| Additional Authors: | Friedel, R. A., Golumbic, C., Orchin, Milton |
| Year: | 1950 |
| Document Type: | N/A |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 487 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc12646/ |