1. Fain, V.Ya., 9,10-Antrakhinony i ikh primenenie (9,10-Anthraquinones and Their Applications), Moscow: Tsentr fotokhimii RAN, 1999.
2. Abu-Bakr, M.S., Sedaira, H., and Hoshem, E.Y., Bull. Fac. Sci. Assiut Univ. B, 1993, vol. 22, no. 3, p. 109.
3. Saleh, M.S., Monatsh. Chem., 1995, vol. 126, nos. 6–7, p. 621.
4. White, C.E., Hoffman, D.E., and Magee, J.S., Jr, Spectrochim. Acta, 1957, vol. 9, no. 2, p. 105.
5. Bakola-Christianopoulou, M.N., Ekateriniadou, L.B., and Sarris, K.J., Eur. J. Med. Chem., 1986, vol. 21, no. 5, p. 385.