Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Masahiro Hotta and Ayumu Sugita,The fall of the black hole firewall: natural nonmaximal entanglement for the Page curve,Progress of Theoretical and Experimental Physics,2050-3911,Oxford University Press (OUP),2015-12,2015,12,123B04,https://cir.nii.ac.jp/crid/1361418518735659136,https://doi.org/10.1093/ptep/ptv170