Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Natuscka M. Lee and Thomas Welander,The Effect of Different Carbon Sources on Respiratory Denitrification in Biological Wastewater Treatment,Journal of Fermentation and Bioengineering,0922338X,Suita : Society of Fermentation and Bioengineering,1996-09,82,3,277-285,https://cir.nii.ac.jp/crid/1524232505730553216,https://doi.org/10.1016/0922-338x(96)88820-9