Freedom and restriction in science and its aspects in society. 

 - The Hague :  Martinus Nijhoff,  1955. 
 - 196 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS SOCIALES<br/>LIBERTAD
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>CIENCIAS SOCIALES