World congress of doctors for the study of present day living condition: reports and proceedings.  World congress of doctors for the study of present day living condition: reports and proceedings. 

 - Vienne  Herausgeber and Verleger  [19...]. 
 - xvi, 383p. 25cm. 
<br/><br/><label>Dewey Class. No.: </label>362.1  / W66P