Kozłowski, M., and W. Radecka-Paryzek. “Metal-Promoted Synthesis and Characterization of Pr(III), Nd(III) and Eu(III) Schiff Base Complexes Derived from Salicylaldehyde and 4,9-Dioxa-1,12- Diaminododecane”. Copernican Letters, vol. 1, Dec. 2010, pp. 95-99, doi:10.12775/CL.2010.013.