Deshpande, N.G.N.G.DeshpandeXIAO-GANG HEKeith, E.E.Keith2018-09-102018-09-101994http://www.scopus.com/inward/record.url?eid=2-s2.0-0002038086&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/309810[SDGs]SDG12Proton life-time problem in finite grand unified theoriesjournal article10.1016/0370-2693(94)90863-X2-s2.0-0002038086