1. Boehm, H.P., Advantes Catal. And Relat. Subj, 1966, vol. 16, p. 179.
2. Baimanova, A.E. and Zhakupova, G.Zh., Serosoderzhashchie soedineniya nefti i osnovnye metody ochistki nefti i neftyanykh fraktsii ot nikh. Uch. posobie (Sulfur-Containing Oil Compounds and Principal Methods of Oil and Oil Fraction Purification from Them. Study Guide), Aktobe: AGU im. K. Zhubanova, 2010, p. 36.
3. Moore, J.S. and Phillips, G.O., Carbohidrate Res., 1971, vol. 16, no. 1, p. 79.
4. Shul’ga, N.V., Gomolko, L.A., and Krut’ko, N.P., Zh. Prikl. Khim., 2008, vol. 81; no. 7, p. 1164; Kirshbaum, I.Z., Domburg, G.E., and Sergeeva, V.N., Khim. Drev., 1976, no. 4, p. 96.
5. Karklin’, V.B., Khim. Drev., 1975, no. 1, p. 56.