M. M. Alam, “Synthesis and Characterization of a Thiocyanate Bridged Dinuclear Cu(II) Complex Containing Macrocyclic Ligand Derived from Pyridine-2, 6-dicarboxaldehyde and 1, 2-bis(2-aminoethoxy) Ethane”, J Bangladesh Acad Sci, vol. 36, no. 1, pp. 89–96, Jun. 2012.