Diferència entre revisions de la pàgina «Cicle d'Ericsson»

([http://www.google.com/patents/US8481 US8481])
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(([http://www.google.com/patents/US8481 US8481]))
* Ericsson's patents. 1833 British and 1851 USA ([http://www.google.com/patents/US8481 US8481])
* The evolution of the heat engine, by: Ivo Kolin Published Moriya Press, 1972 by Longman
* Hot Air Caloric and Stirling Engines, by: Robert Sier. Published 1999, by L A Mair.