1. 1. F. A. Cotton and G. Wilkinson, “Advanced Inorganic Chemistry”, 1988, Wiley Interscience, New York.
2. 2. A. Piperno, Haematologica, 1998, 83, 447.
3. Rapid and sensitive spectrophotometric determination of trace amounts of iron(III) using leuco Xylene cyanol FF
4. 5. A. Niazi, Croat. Chem. Acta, 2006, 79, 573.