Conservation ;   Vol. 15, no. 3 

 - Los Angeles-XXUZ:  :   Getty Conservation Intitute,   2000. 
 - p. 26-27 :   il. 
 - Cuatrimestral 
 - Vol. 15, no 3(2000).  
 - Conservation ;   Vol. 15, no. 3 .
 - Getty Conservation Intitute. .