1. A. C. M. Wilson, Insulating Liquids: Their Uses, Manufacture and Properties (Peter Peregrinus, New York, 1980).
2. R. A. Lipshtein and M. I. Shakhnovich, Transformer Oil (Energoatomizdat, Moscow, 1983) [in Russian].
3. Effect of Particles on Transformer Dielectric Strength, CIGRE Technical Brochure No. 157, (2000).
4. Methods and Tools of Diagnostics of Insulating Oils, Ed. by V. K. Kozlov (ITs Energoprogress, Kazan, 2003) [in Russian].
5. Power Transformers, Ed. by S. D. Lizunov and A. K. Lokhanin (Energoizdat, Moscow, 2004) [in Russian].