Glass disease on ethnographic beadwork : changes over time, cleaning, and composition. Info Type: Publication ISSN: 1036-6210. Place, publisher, year: [s.l.] : ICOM Committee for Conservation, Working Group on Ethnographic Collections, 2013 Notes: Incl. bibl. Collation: p. 14-16 ; illus. ; 30 cm Author: Ohern, Robin. Year: 2013. Serial type: Article de magazine Description: verre; détérioration; nettoyage.