References
- Siddiqi , Z. A. , Shakir , M. , Aslam , M. , Khan , T. A. and Zaidi , S. A.A. 1983 . Synth. React. Inorg. Met-Org. Chem. , 4 : 397
- Zaidi , S. A.A. , Zaidi , S. R.A. , Shakir , M. , Aslam , M. and Siddiqi , Z. A. 1985 . polyhedron. , 4 : 365
- Vogel , I. 1958 . A Text Book of Quantitative Inorganic Analysis , 399 – 401 . Longmans Green and Co. .
- Frank Welcher , J. 1958 . The Analytical Uses of Ethylenediamine Tetraacetic acid , 181 New Jersey : D. Van Nostrand Co. Inc. Princeton .