BARKSCHAT, Christa S., and Thomas J. J. MÜLLER. “SYNTHESIS AND ELECTRONIC PROPERTIES OF 3-ARYL 10H-PHENOTHIAZINES”. Studia Universitatis Babeș-Bolyai Chemia, vol. 61, no. 3, Sept. 2016, pp. 55-72, https://studia.reviste.ubbcluj.ro/index.php/chemia/article/view/8331.