1. http://www.iea.org/stats/balancetable.asp?COUNTRY_CODE=IN.
2. Improved PID method of temperature control for adiabatic demagnetization refrigerators;Hoshino;Nuclear Instruments and Methods in Physics Research A,2006
3. Intelligent control of exit temperature in a gas- fuel can-type combustor;Chin-An Hsuan;Engineering Applications of Artificial Intelligence,2002
4. British Standard BS 874:Part 3:Section 3.1:1987, British Standard Methods for Determining thermal insulating properties – Part 3. Tests for thermal transmittance and conductance – Section 3.1 Guarded hot-box method.
5. British Standards BS EN ISO 8990:1996, Thermal insulation –Determination of steady state thermal transmission properties –Calibrated and guarded hot box.