References
- Davis , W. and Gray , W. 1964 . Talanta , 11 : 1203
- Zharovskii , F. G. and Melnik , V. F. 1961 . Zh. Neorg. Khim. , 6 : 466
- Moore , F. L. 1957 . Anal. Chem. , 29 : 1660
- Higgins , C. E. 1962 . J. Inorg. Nucl. Chem. , 24 : 415
- White , J. and Ross , W. 1961 . : 44 NAS‐NS‐3102