Birnabaum, Charles A. <br/><br/>
Managing change and modern landscapes. 

 - Alemania-DE :   The Getty Conservation Institute,   2013. 
 - páginas 16-17 :   ilustraciones full color 
 - Irregular 
 - Vol. 28, no. 1 (2013) 
 - Conservation Perspectives. The GCI newsletter ;   no. 1 .
 - The Getty Conservation Institute. .