共 64 条
- [51] SCHOTTLANDER P, 1884, THESIS WURZBURG
- [52] DETERMINATION OF RARE EARTH ELEMENTS AND YTTRIUM IN URANIUM COMPOUNDS [J]. ANALYTICAL CHEMISTRY, 1948, 20 (11) : 1073 - 1076
- [53] The ratio between uranium and radium in minerals. [J]. PHILOSOPHICAL MAGAZINE, 1910, 20 (115-20) : 345 - 349
- [54] SPELLER FN, 1901, CHEM NEWS, V83, P124
- [55] TANRET C, 1897, B SOC CHIM FRANCE, V17, P497
- [59] VONKNORRE G, 1897, Z ANGEW CHEM, V10, P717
- [60] VONKNORRE G, 1897, Z ANGEW CHEM, V10, P685