Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoshito Chikaraishi and Nanako O. Ogawa and Hideyuki Doi,"15N/14N ratios of amino acids as a tool for studying terrestrial food webs: a case study of terrestrial insects (bees, wasps, and hornets)",Ecological research,09123814,Tokyo : Springer Japan,2011-07,26,4,835-844,https://cir.nii.ac.jp/crid/1523388079915260544,