00797oas 2200253z- 450 99621335420331620230830194250.0(CKB)2650000000000073(EXLCZ)99265000000000007320121018c2009uuuu -y- aengConservation perspectives the GCI newsletterLos Angeles, CA :Getty Conservation Institute.2159-1830 GCI newsletterHistoric preservationPeriodicalsArtConservation and restorationPeriodicalsHistoric preservationArtConservation and restorationGetty Conservation InstituteJOURNAL996213354203316Conservation perspectives2103322UNISA