Hjiri, M.; Guezguez, I.; Iliopoulos, K.; El-Ghayoury, A.; Belmabrouk, H.; Karpierz, M. A.; Sahraoui, B. Optical Limiting Efficiency of an Electroactive Bis-Iminopyridine Ligand and Its Zinc Complex. Photonics Lett. Pol. 2016, 8, pp. 5-7.