1. Stirling R. Stirling air engine and the heat regenerator, Patent No: 4081; 1816.
2. Stirling cycle machines;Walker,1973
3. Stirling engines;Walker,1980
4. Stirling engines;Reader,1983
5. Martini WR. Stirling engine design manual: US Department of Energy, Office of Conservation and Solar Applications, Division of Transportation Energy Conservation; 1978.