Clausius, R.: On a Modified Form of the Second Fundamental Theorem in the Mechanical Theory of Heat. Phil. Mag., August 1856, 12. vsk, nro 77, s. 81–98. doi:10.1080/14786445608642141Artikkelin verkkoversio.
Clausius, R.: On a Modified Form of the Second Fundamental Theorem in the Mechanical Theory of Heat. Phil. Mag., August 1856, 12. vsk, nro 77, s. 81–98. doi:10.1080/14786445608642141Artikkelin verkkoversio.