XIAO-GANG HE2018-09-102018-09-101999http://www.scopus.com/inward/record.url?eid=2-s2.0-18044390560&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/351140[SDGs]SDG7Extra dimensions and Higgs pair production at photon collidersjournal article10.1103/PhysRevD.60.1150172-s2.0-18044390560