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  1. Furfari, F. A. (Tony). History - The Transformer. IEEE Industry Applications Magazine. 2002, Jan-Feb.
  2. Schossig, Walter. Protection History, Transformer Protection, Next Steps. PAC Magazine. Winter, 2009.
  3. Nynas Naphtenics AB. Transformer Oil Handbook. Stockholm, Sweden : s.n., 2001.
  4. International Electrotechnical Comission (IEC). Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear. s.l. : TC 10 - Fluids for electrotechnical applications, 2012. IEC 60296:2012.
  5. Some Characteristics of Transformer Oils. Eschhoz, O. H. 2, Pittsburgh, PA. : The Electrical Journal, 1919, Vol. XVI.
  6. National Science Foundation. Bond Energies. Chemistry - LibreTexts. [Online] 20 01 2017. [Cited: 02 04 2017.]
  7. International Electrotechnical Commission (IEC). Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis. 2015. IEC 60599:2015 .
  8. Application of Physico-chemical Methods of Analysis to the Study of Deterioration in the Insulation of Electrical Apparatus. Fallou, B., et al. Paris : CIGRE, International Conference on Large High Tension Electric Systems, 1970. 15-07.
  9. CIGRE. Recent developments in DGA interpretation. s.l. : Joint Task Force D1.01/A2.11, 2006. 296.
  10. New mechanism of moderate hydrogen gas generation in oil-filled transformers. Oommen, T. V., Ronnau, R. A. and Girgis, R. S. Paris : CIGRE, 1998. 12-206.
  11. American Society for Testing and Materials (ASTM). Standard Test Method for Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography. 2009. ASTM D3612-02(2009).
  12. International Electrotechnical Commission (IEC). Oil-filled electrical equipment - Sampling of gases and of oil for analysis of free and dissolved gases - Guidance. 2011. IEC 60567:2011.
  13. Offnfopt. Gas_chromatograph-vector. Wikimedia Commons. [Online][Cited: 23 04 2017.]
  14. American Society for Testing and Materials (ASTM). Standard Practices for Sampling Electrical Insulating Liquids. 2015. ASTM D923-15.
  15. Institute of Electrical and Electronics Engineers (IEEE). IEEE Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers. 2008. C57.104-2008.
  16. International Electrotechnical Comission (IEC). Method of sampling insulating liquids. 2011. IEC 60475:2011.
  17. TxMonitor Pty Ltd. Transformer Oil Sampling Training by TxMonitor. YouTube. [Online] 18 02 2014. [Cited: 23 04 2017.]
  18. Duval, Michel. Calculation of DGA Limit Values and Sampling Intervals in Transformers in Service. IEEE Electrical Insulation Magazine. September-October, 2008, Vol. 24, 5.
  19. Institute of Electrical and Electronics Engineers (IEEE). IEEE Guide for Dissolved Gas Analysis in Transformer Load Tap Changers . 2015 : s.n. C57.139-2015.
  20. Duval, Michel. A review of faults detectable by gas-in-oil analysis in transformers. IEEE Electrical Insulation Magazine. May-June, 2002, Vol. 18, 3.
  21. Institute of Electrical and Electronics Engineers (IEEE). IEEE Guide for Diagnostic Field Testing of Fluid-Filled Power Transformers, Regulators, and Reactors . 2013. C57.152-2013.
  22. International Electrotechnical Comission (IEC). Mineral insulating oils in electrical equipment - Supervision and maintenance guidance . s.l. : TC 10 - Fluids for electrotechnical applications, 2013. IEC 60422:2013.
  23. Duval, M., et al. Influence of paper insualtion on acceptable gas-in-oil levels in transformers. Quebec : Institut de recherche d'Hydro-Quebec (IREQ).
  24. Höhlein, Ivanka. Unusual Cases of Gassing in Transformers in Service. IEEE Electrical Insulation Magazine. January/February, 2006, Vol. 22, 1.
  25. Duval, Michel. Michel Duval Presents the Duval Pentagon in a Qualitrol Sponsored Webinar . YouTube. [Online] 24 06 2015. [Cited: 02 04 2017.]
  26. IEEE and IEC Codes to Interpret Incipient Faults in Transformers, Using Gas in OIl Analysis. Rogers, R. R. 5, s.l. : IEEE Transactions on Electrical Insulation, 1978, Vols. EI-13.
  27. Jakob, Fredi and Dukarm, James J. Thermodynamic Estimation of Transformer Fault Severity. IEEE Transactions on Power Delivery. 2015, Vol. 30, 4.
  28. Horning, M., et al. Transformer Maintenance Guide - Third Edition. s.l. : Transformer Maintenance Institute, Division of S.D. Meyers, Inc., 2004. 0-939320-02-9.
  29. Brown Boveri Review. Dornenburg, E. and Strittmatter, W. 5, s.l. : Brown Boveri, 1974, Vol. 61, pp. 238-247.
  30. DGA in Non-Mineral Oils and Load Tap Changers and Improved DGA Diagnosis Criteria. CIGRE. s.l. : Working Group D1.32, 2010. 443.
  31. Fault gases formed in oil-filled breathing EHV power transformers- The interpretation of gas analysis data. Duval, Michel. s.l. : IEEE PAS, 1974. Conf.Paper No C 74 476-8.
  32. Duval, Michel. The duval triangle for load tap changers, non-mineral oils and low temperature faults in transformers. IEEE Electrical Insulation Magazine. Nov-Dec, 2008, Vol. 24, 6.
  33. Duval, Michel and Lamarre, Laurent. The duval pentagon-a new complementary tool for the interpretation of dissolved gas analysis in transformers . IEEE Electrical Insulation Magazine. Nov-Dec, 2014, Vol. 30, 6.
  34. Duval, Michel. Triangles 1 to 7 v5c.xls.
  35. Electrical World. Church, J.O., Haupert, T. J. and Jakob, F. 10, 1987, Vol. 201, pp. 40-44.
  36. Duval, Michel. Identifying and Analyzing Quick Developing Transformer Faults with DGA. [Online] 6 November 2013. [Cited: 9 July 2017.]
  37. Deployment of monitors system-wide for condition based maintenance of substation equipment. Snow, Terry. Sydney : TechCon, 2013.
  38. Intelligent Sensor Networks for Transformer Health Monitoring. Roizman, Oleg. Sydney : TechCon, 2015.
  39. Transformer Monitoring, Communications Network and Data Marts: Extracting Full Value from Monitoring and Automation Schemes to aid Enterprise Challenges. McDonald, John D. Sydney : TechCon, 2015.
  40. Statistical Machine Learning and Dissolved Gas Analysis: A Review. Mirowski, Piotr and LeCun, Yann. 4, New York : IEEE Transactions on Power Delivery, 2012, Vol. 27.
  41. Predicting Black Swans: New Machine Learning Methods for Very Rare Failure Events. Tapson, Jonathan. Manly, NSW : austorque - Machines2014, 2014.
  42. Software based technique for the identification of transformer faults in real time. Abu-Siada, Ahmed. Sydney : TechCon, 2013.
  43. International Electrotechnical Comission (IEC). Mineral oil-filled electrical equipment - Application of dissolved gas analysis (DGA) to factory tests on electrical equipment. 2012. IEC 61181:2007 + AMD1:2012 CSV.
  44. A Review of the Operating Principles and Practice of Dissolved Gas Analysis. Haupert, T. J. and Jakob, F. Philadelphia : ASTM Electrical Insulating Oils, 1988. STP998.
  45. Interpretation of Gas-in-Oil Analyses Using New IEC Publication 60599 and IEC TC10 Databases. Duval, M. and dePablo, A. 2, s.l. : IEEE Electrical Insulation Magazine, 2001, Vol. 17, p. 31.
  46. Use of Duval Triangles and Pentagons for DGA in Transformers, LTC's and Non-mineral Oil. Duval, Michel. Sydney : TechCon, 2015.
  47. Effects of Transformer Materials on Stray Gas Generation. Bergeld, Linnea. Sydney : TechCon, 2015.