Number | Name | Date | Kind |
---|---|---|---|
2496623 | Fragale | Feb 1950 | |
3021268 | Egami | Feb 1962 | |
3405043 | Barakat et al. | Oct 1968 |
Entry |
---|
"Electrowinning of O.sub.2 from Silicate Rocks" by D. G. Kesterke, Bur. Mines R.I. 7587, 1971, pp. 1-12. |
"General Chemistry" by H. H. Sisler et al., 1949, pp. 231-232. |