1. 2008 Annual Report on China Building Energy Efficiency;TsinghuaUniversity Building Energy Resarch Center,2008
2. Thermostatic radiator valves- requirements and test methods;British Standards Institution;BS EN,2004
3. On the control of heating systems in the UK;Liao;Building and Environment,2005
4. Conventional control of hydronic heating of apartment buildings according to the modernization of measure and control elements;Rusjan;Elektrotehniski Vestnik/Electrotechnical Review,1998
5. Methods of heat cost allocation;Csoknyai;Periodica Polytechnica, Mechanical Engineering,2000