Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hisashi Yokoyama and Yuka Ishihi and Katsuyuki Abo,Quantification of waste feed and fish feces using stable carbon and nitrogen isotopes,水産総合研究センター研究報告 = Bulletin of Fisheries Research Agency,13469894,横浜 : 水産総合研究センター,2010-10,,31,71-76,https://cir.nii.ac.jp/crid/1522262180994908672,