Skinner, Burrhus Frederic <br/><br/>
Walden dos 
by B. F. Skinner, with an introduction by the author 
 - Barcelona  Ediciones Martínez Roca  c1984. 
 - 329 p. 
<br/><br/> Translation of: Walden two. 
<br/><br/><label>ISBN: </label>8427008929 
<br/><br/><label>LCCN: </label>92000692   
<br/><br/><label>LC Class. No.: </label>PS3537  / .K527 W318 1984 
<br/><br/><label>Dewey Class. No.: </label>813.54  / S628w  / E