Guo, Y.Y.GuoTsai, C.W.-S.C.W.-S.TsaiDemissie, M.M.DemissieWAN-SHAN TSAI2019-12-242019-12-242004https://scholars.lib.ntu.edu.tw/handle/123456789/438227Accuracy and precision of nitrate load estimation with different sampling frequencies for Illinois agricultural watershedsconference paper10.1061/40569(2001)4172-s2.0-75649097867https://www.scopus.com/inward/record.uri?eid=2-s2.0-75649097867&doi=10.1061%2f40569%282001%29417&partnerID=40&md5=70f748a387df6783c7846f3da52b3539