S. Shenouda, M. Shebl, H. Hafez, and M. Saif, “Optical and Electrical Characterization of 4,6-Diacetylresorcinol and 4,6-Bis(1-hydrazonoethyl)benzene-1,3-diol and Their Photo-Applications”, Acta Phys. Pol. A, vol. 144, no. 2, p. 128, Aug. 2023, doi: 10.12693/APhysPolA.144.128.