1. COGEN, Mini and Micro CHO-Market Assessment and Development Plan – Summary Report, A Study supported by the European Commission SAVE program, DGTREN, 2001.
2. M. Tullar, Micro-CHP: Turning the vision into reality. PRASEG Conference, 2001 (http://www.praseg.org.uk/downloads/Conf2001/Mish%20Tullar%20Presentation.ppt).
3. C.A. Frangopoulos, DUCOGEN, The European educational tools on cogeneration, European Commission, 2001.
4. I. Urieli, D.M. Berchowitz, Stirling Cycle Engine Analysis, British library cataloguing in publication Data, ISBN: 0-85274-435-8, 1984.
5. Numerical study on optimal Stirling engine regenerator matrix designs taking into account the effects of matrix temperature oscillations;Andersen;Energy Conversion Manage.,2006