| Author: | Hopkins, G. R. | 
|---|---|
| Year: | 1930 | 
| Document Type: | MAIN | 
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, | 
| SUDOC: | C 22.11:6305 | 
| Series: | Information circular, U.S. Bureau of Mines ; | 
| Report Number: | 6305 | 
| Subjects: | Petroleum--Refining | 
| Cracking process | |
| Link: | https://hdl.handle.net/2027/mdp.39015095084326 |