1. Riffat SB, Zhao X, A novel hybrid heat pipe solar collector/CHP system—Part I: System design and construction, to be published (2003).
2. Facão Jorge, Matos Joaquim, Oliveira Armando, Afonso Clito, Computer modelling of system performance—hybrid solar collector/CHP system, Progress report to European Commission, March 2001.
3. University of Idaho, Thermodynamic properties of fluids, Version 4.2, The center for Applied Thermodynamic Studies, College of Engineering, Moscow, Idaho, 1996.
4. Fullarton David, Personal communication, Swep Limited, 7 March 2002.
5. Riffat SB, Zhao X, Boukhanouf Rabah, Theoretical and experiemntal investigation of a novel hybrid heat pipe solar collector: Part II—Experimental testing, to be published (2003).