Tan, K.S.K.S.TanKI-SENG TAN2018-09-102018-09-101993http://www.scopus.com/inward/record.url?eid=2-s2.0-43949166015&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/301275Modular Elements Over Function Fieldsjournal article10.1006/jnth.1993.10792-s2.0-43949166015