LITERATURE CITED
- Sebba and Pugh . 1937 . 1371 —J.C.S
- Sebba and Pugh . 1373 —Ibid.
- Moser and Brukl . 1929 . Monatsh. , 51 : 327
- Brukl . — . Ibid. , 52 255
- de Schulten . 1884 . Compt. rend. , 98 : 1583
- van Bergkampf . 1932 . Z. Anal. Chem. , 90 : 333
- Moser and Brukl . 1928 . Monatsh. , 50 : 186
- Colorlano . 1886 . — . Compt. rend. , 103 : 273
- Rosenheim and Thon . 1927 . Z. Anorg. Chem. , 167 : 12
- Low . Technical Methods of Ore Analysis, , 9th ed. 35 John Wiley .