@article{oai:tsukuba.repo.nii.ac.jp:00042388,
 author = {OHTE, Nobuhito and NAGATA, Toshi and TAYASU, Ichiro and KOHAZU, Ayato and YOSHIMIZU, Chikage},
 issue = {別冊2},
 journal = {筑波大学陸域環境研究センター報告, Bulletin of the Terrestrial Environment Research Center,the University of Tsukuba},
 month = {Feb},
 pages = {31--39},
 title = {Nitrogen and oxygen isotope measurements of nitrate to survey the sources and transformation of nitrogen loads in rivers},
 volume = {8},
 year = {2008}
}