1. A. Kh. Mirzadzhanzade, A. G. Gumerov, and Z. P. Shul'man. Inzh.-Fiz. Zh.,59, No. 2, 329 (1990).
2. W. R. Beaty et al., Oil Gas J.,80, No. 32, 96?102 (1982).
3. A. Kh. Mirzadzhanzade, I. G. Bulina, A. K. Galyamov, et al. Inzh.-Fiz. Zh.,25, No. 6, 1023?1026 (1973).
4. Yu. P. Belousov, Antiturbulence Additives for Hydrocarbon Liquids [in Russian], Moscow (1986).
5. I. L. Povkh, V. G. Pogrebnyak, and A. I. Toryanik, Inzh.-Fiz. Zh.,37, No. 4, 581?588 (1979).