1. Engineering Thermodynamics;Reynolds,1977
2. Energy: From Nature to Man;Reynolds,1974
3. Institutional constraints on district heating and cogeneration feasibility;Verbruggen,1986
4. District Heating/Combined Heat and Power. Decisive factors for a Successful Use — as Learnt from Experience;World Energy Council,1991
5. Towards a dispersed electrical system: challenges to the grid;Summerton;Energy Policy,1991