"Heat engine"@en . "1985"^^ . . "Thermodynamics and an Introduction to Thermostatistics"@en . . . "Thermal Physics"@en . "ISBN 0716710889"@en . . "ISBN 0471862568"@en . "W. H. Freeman Company"@en . "Heat engine in engineering and thermodynamicshttp://en.wikipedia.org/wiki/Thermodynamics , performs the conversion of heat energy to mechanical work by exploiting the temperature gradient between a hot \"source\" and a cold \"sink\". Heat is transferred to the sink from the source, and in this process some of the heat is converted into work."@en . . "Heat engine in engineering and thermodynamicshttp://en.wikipedia.org/wiki/Thermodynamics , performs the conversion of heat energy to mechanical work by exploiting the temperature gradient between a hot \"source\" and a cold \"sink\". Heat is transferred to the sink from the source, and in this process some of the heat is converted into work."@en . "Kroemer, Herbert; Kittle, Charles"@en . . "Callen, Herbert B."@en . "John Wiley & Sons, Inc."@en . "1980"^^ . .