Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) American National Standard/American Dental Association,Gypsum-bonded casting investment for dental gold alloys,American National Standard/American Dental Association specification No. 2-1987,,American National Standard/American Dental Association,1987,,,,https://cir.nii.ac.jp/crid/1570572700591760768,