Ramos J.C., Beiza M., Numerical modelling of the natural ventilation of underground transformer substations. Applied Thermal Engineering, Vol. 51, pp. 852-863, 2013.
 Degefa M.Z., Millar R.J., Lehtonen M. and P. Hyvönen, Dynamic Thermal Modeling of MV/LV Prefabricated Substations. IEEE Transactions on Power Delivery, Vol. 29, No.2, pp. 786-793, 2014.
 Yu T., Yang H., Xu R. and C. Peng, Simulation Study on Ventilation & Cooling for Main Transformer Room of an Indoor Substation. Journal of Multimedia, Vol. 9, No. 8, pp. 1040-1047, 2014.
 Iskender I., Mamizadeh A., An improved nonlinear thermal model for MV/LV prefabricated oil-immersed power transformer substations. Electrical Engineering, Vol. 93, No. 1, pp. 9–22, 2011.
 Haritha V.V.S.S., Rao T.R. and Jain A., Thermal modeling of electrical transformers. In 16th National power systems conferene, India, 2010.
 Weigen C., Chong P. and Yuxin Y., Power transformer top-oil temperature model based on thermal–electric analogy theory. European Transactions on Electrical Power, Vol. 19, pp. 341–354, 2009  IEC 62271-202, High-voltage switchgear and control gear, High Voltage/Low Voltage Prefabricated Substations. In IEC Standard, 2006.
 Afrid M., Zebib A., Three-Dimensional Laminar and Turbulent Natural Convection Cooling of Heated Blocks. Numerical Heat Transfer, Part A, Vol. 19, pp. 405-424, 1991.