1. 1. B. Berkovsky and V. Bashtovoi, Magnetic Fluids and Applications. Handbook (Begell House, New York, 1996).
2. 2. L. Vekas, M.V. Avdeev, and D. Bica, in Magnetic Nanofluids: Synthesis and Structure. Nanoscience and Its Applications in Biomedicine, edited by D. Shi (Springer, Berlin, 2009), p. 645.
3. 4. V.E. Fertman, Magnetic Fluids (Vysheishaya Shkola, Minsk, 1988) (in Russian).
4. 5. S. Taketomi and S. Chikazumi, Magnetic Fluids – Principle and Application (Nikkan Kogyo Shinbun, Tokyo, 1988) (in Japanese).