Cahen, L. <br/><br/>
Museums and scientific research. 

 - Paris-FR  :   Unesco,   1967. 
 - p. 302-303 
 - Trimestral 
 - Vol. XX, no. 4 (1967) 
 - Museum ;   no. 4 .
 - Francia.   Unesco. .
<br/><br/> Museums of Belgium.