Shepard, Martin <br/><br/>
Maraton 16  16 horas de experiencias sensoriales. 

 - 2a. ed. 
 - Argentiana  Granica Editor  1971, c1970. 
 - 263 p. 
 - Colección Libertad y cambio. .
<br/><br/> "A human potential book."  Translation of : Marathon 16 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group relations training