1. D. V. Ryabov, I. G. Fuks, O. É. Gar, et al., Khim. Tekhnol. Topl. Masel, No. 6, 29?31 (1985).
2. Z. I. Buyanova, L. V. Podlennykh, and V. A. Dagaev, Neftepererab. Leftekhim. (Kiev), No. 15, 6?8 (1977).
3. N. K. Volobuev, A. V. Zubkevich, O. V. Ataeva et al., Tr. Vses. Nauchno-Issled. Inst. Peremb. Nefti, No. 16, 85?88 (1976).
4. R. D. Novoded, M. E. Krasnokutskaya, A. E. Mysak et al., Khim. Tekhnol. Topl. Masel, No. 5, 28?29 (1985).
5. Yu. L. Ishchuk, Technology of Lubricating Greases [in Russian], Naukova Dumka, Kiev (1986), 248 pp.