Alam, M.M., Begum, R., Rahman, S.M.M. and Islam, S.M.S. 2011. Synthesis, Spectroscopic and Electrochemical Studies of Mononuclear Fe(II) and Ni(II) Complexes Containing a Macrocyclic Ligand Derived from Pyridine-2,6-dicarboxaldehyde and 1,2-Bis(2-aminoethoxy) Ethane. Journal of Scientific Research. 3, 3 (Aug. 2011), 599–607. DOI:https://doi.org/10.3329/jsr.v3i3.7231.