[1]

ASTM International. ASTM C680-89 (Reapproved 1995), Standard Practice for Determination of Heat Gain or Heat Loss and Surface Temperature of Insulated Pipe and Equipment Systems by the Use of a Computer Program. Standard, April 1995. Reapproved 1995.

[2]

B.L. Capehart, W.J. Kennedy, and W.C. Turner. Guide to Energy Management, Fifth Edition, International Version. Taylor & Francis, 2007.

[3]

Willibald Trinks, Matthew Holmes Mawhinney, RA Shannon, RJ Reed, and JR Garvey. Industrial furnaces, volume 1. John Wiley & Sons, 2003.