Chiang, T.P.T.P.ChiangSheu, T.W.H.T.W.H.SheuTsai, S.F.S.F.TsaiTONY W. H. SHEU2020-01-172020-01-171997https://scholars.lib.ntu.edu.tw/handle/123456789/451845Topological flow structures in backward-facing step channelsjournal article10.1016/S0045-7930(96)00047-32-s2.0-0031148133https://www.scopus.com/inward/record.uri?eid=2-s2.0-0031148133&doi=10.1016%2fS0045-7930%2896%2900047-3&partnerID=40&md5=e5a410ee512c423a0bb8d92cf9fe8db7