Ehrenfest, Paul and Ehrenfest, Tatiana <br/><br/>
The conceptual foundations of the statistical approach in mechanics   

 - New York  Dover  1990 
 - xiv, 114p. Bibl. 
<br/><br/> "Tr. from the German by Michael J. Moravcsik".   
<br/><br/><label>Dewey Class. No.: </label>530.2  / Eh33.CF