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) Sen Qiao and Yuki Kawakubo and Toichiro Koyama,Partial nitritation of raw anaerobic sludge digester liquor by swim-bed and swim-bed activated sludge processes and comparison of their sludge characteristics,Journal of bioscience and bioengineering,13891723,Suita : Society for Biotechnology,2008-11,106,5,433-441,https://cir.nii.ac.jp/crid/1524232505433958400,