id author title date pages extension mime words sentence flesch summary cache txt crln-7514 Hedberg, Jane Preservation News 2005-10-01 1 .pdf application/pdf 536 30 54 oct05c2.indd Jane Hedberg P r e s e r v a t i o n N e w s Optical Disc Stability Joe Iraci, senior conservation scientist at the Canadian Conservation Institute, has authored an article reporting the results of chemical stability tests on a variety of CD and DVD types. cache/crln-7514.pdf txt/crln-7514.txt