Panda, Sunakar, et al. “Impact of Inclusion Complex Formation on Absorption and Emission Characteristics of Some 4-Arylidenamino-5-Phenyl-4H-1,2,4-Triazole-3-Thiols”. Asian Journal of Chemistry, vol. 28, no. 5, Jan. 2016, pp. 981-6, doi:10.14233/ajchem.2016.19556.