Soliman, A. A., M. A. Amin, A. A. El-Sherif, S. Ozdemir, C. Varlikli, and C. Zafer, "Synthesis and characterization of novel series of Fe(II)-mixed ligand complexes involving 2,20-bipyridyl ligand", Dyes and Pigments, vol. 99, pp. 1056-1064, 2013.