Wittgenstein, Ludwig. <br/><br/>
Tractatus logico-philosophicus /  
by Ludwig Wittgenstein ; with an introduction by Bertrand Russell. 
 - 7th imp. 
 - London :   Routledge & Kegan Paul,   1958. 
 - 207 p. :   gráf. ;   22 cm. 
 - International library of psychology philosophy and scientific method .
 - International library of psychology philosophy and scientific method .
<br/><br/> Índice. 
<br/><br/><label>Universal Decimal Class. No.: </label>1