著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) LR Germain and PL Koch and J Harvey and MD McCarthy,Nitrogen isotope fractionation in amino acids from harbor seals: implications for compound-specific trophic position calculations,Marine Ecology Progress Series,0171-8630,Inter-Research Science Center,2013-05-22,482,,265-277,https://cir.nii.ac.jp/crid/1361418520768058752,https://doi.org/10.3354/meps10257