1. H. Boyer, M. Norbert, R. Philippe, Cours de construction du matériel électrique-Tome 3, La Capitelle ed., France, 1981.
2. Application of extension neural network in transformer fault diagnosis;Zhang;J. Comp. Eng. Appl.,2011
3. S.D. Myers, Presentation on transformer oil testing, http://www.slideshare.net/JoeloRoss/transformer-oil-testing-sd-myers, 2016 (accessed 11.10.16).
4. L.O. Séraphin, Bien-fondé des analyses d’huiles pour le diagnostic d’état des transformateurs immergés. http://www.laboratoireoksman.com/Analyse_transformateur.pdf, 2016 (accessed 11.10.16).
5. I. Fofana, Insulating oil - another vital part of transformer body, In the IEEE seminar Section DEIS Chapter, Ottawa-Montreal, Canada, June 17th 2010.