1. ABB (2002): Biotemp, Descriptive Bulletin 47-1050 Revised 01/02.
2. Balzer, G., Heil, F., Kirchesch, P., Drecher, D., Meister, R., Neumann, C. (2004): Evaluation of failure data of HV circuit-breakers. A3-305. In Cigré Session 2004, Paris.
3. Borsi, H., Gockenbach, E. (2005): Properties of ester liquid MIDEL 7131 as an alternative liquid to mineral oil for transformers. In Division of high voltage engineering Hannover, Germany.
4. Brochure;Cigre WG A2.35,2010
5. Cooper Power Systems (2005): Envirotemp FR3 fluid—Bulletin B900-00092 product information, June 2005.