Chuang, C.-L.C.-L.ChuangTSIU-KWEN LEE2018-09-102018-09-102007http://www.scopus.com/inward/record.url?eid=2-s2.0-34548100488&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/329439application/pdf165857 bytesapplication/pdfOre extensions which are GPI-ringsjournal article10.1007/s00229-007-0129-82-s2.0-34548100488WOS:000248907400003