Conservation Perspectives;   vol. 30, n. 2 

 - Los Angeles-XXU :   Getty Conservation Institute,   2015. 
 - 38 páginas :   ilustraciones a colores. 
 - Irregular 
 - vol. 30, n. 2(2015) 
 - Conservation perspectives ;   vol. 30, n. 2 .
 - Getty Conservation Institute. .