Seibert, Ann. <br/><br/>
Voice of a Colleague/Teacher. 

 - Roma-IT :   ICCROM,   1997. 
 - p. 9 
 - Irregular 
 - No. 23 (Sep. 1997) 
 - ICCROM Newsletter ;   no. 23  1010-2639 .
 - Italia.   International Centre For The Preservation and Restoration of Cultural Property. .