Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) POWERS John M. and BARAKAT Mohamed M. and OGURA Hideo,Color and Optical Properties of Posterior Composites under Accelerated Aging,Dental Materials Journal,0287-4547,The Japanese Society for Dental Materials and Devices,1985,4,1,"62-67,122",https://cir.nii.ac.jp/crid/1390001204716948352,https://doi.org/10.4012/dmj.4.62