S. Sharma, J. N. Patel, J. Vora, and J. Joshi, “Equilibrium Studies on Some Ternary Complexes of Cu(II) with 1,3-Diamino Propane as Primary Ligand and O-O Donor Atoms as Secondary Ligands and its Comparison with Binary Complexes”, ajc, vol. 16, no. 1, pp. 143–146, Mar. 2010.