S.  Chakraborty, Purkayastha, D. Dhar, Das, G., Bhattacharjee, C. R., Mondal, P., S. Prasad, K., and Rao, D. S. Shankar, ?Photoluminescent tetrahedral d(10)-metal Schiff base complexes exhibiting highly ordered mesomorphism?, Polyhedron, vol. 105, pp. 150-158, 2016.