Chang, K.C.K.C.ChangLee, G.C.G.C.LeeKUO-CHUN CHANG2019-12-202019-12-201986https://scholars.lib.ntu.edu.tw/handle/123456789/437411Constitutive relations of structure steel under nonproportional loadingjournal article10.1061/(ASCE)0733-9399(1986)112:8(806)2-s2.0-0022766687https://www.scopus.com/inward/record.uri?eid=2-s2.0-0022766687&doi=10.1061%2f%28ASCE%290733-9399%281986%29112%3a8%28806%29&partnerID=40&md5=538eb4289210f599eef367b080426d89