Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Iida Yasuhiro and Hara Noriko and Matsumoto Kunio and Satoh Ikuo,Spectrophotometric Microdetermination of Urea in a Rice Wine by Using an Immobilized Acid Urease Column FIA System,IEEJ Transactions on Sensors and Micromachines,13418939,The Institute of Electrical Engineers of Japan,2003,123,8,306-312,https://cir.nii.ac.jp/crid/1390282679437457920,https://doi.org/10.1541/ieejsmas.123.306