Unver, Huseyin, Asli Karakas, Naki Colak, Bekir Cakır, Huseyin Yuksel, and D. Mehmet Zengin. 2012. “Spectroscopic Properties of 4-Halo-2-(4-chlorophenyliminomethyl)phenol and 4-Halo-2-(4-bromophenyliminomethyl)phenol”. Asian Journal of Chemistry 18 (3):1935-42. https://asianpubs.org/index.php/ajchem/article/view/20898.