1. G. K. Frimonin and G. L. Eicharn (Ed.),Inorganic Biochemistry, (Russian trans.), Izd-Mir, Moscow, 1978.
2. D. Bitzer, Ger. Offen. D.E., 3212832 (C1.CO9K3/00),Chem. Abstr.,99, 199662q (1984).
3. O. A. Odunola,Synth. React. Inorg. Met.-Org. Chem.,23, 1241 (1993).
4. A. Gercely and I. Svvago,Metal Ions in Biological Systems, Interscience, New York, 1978, Vol. 9.
5. J. Sanmartin, M. R. Bermejo, J. A. Garcia-Vazquez, J. Romero and A. Sousa,Synth. React. Inorg. Met.-Org. Chem.,23, 1259 (1993).