Perlmutter, S.Aldering, G.Della Valle, M.Deustua, S.Ellis, R.~S.Fabbro, S.Fruchter, A.Goldhaber, G.Goobar, A.Groom, D.~E.Hook, I.~M.Kim, A.~G.Kim, M.~Y.Knop, R.~A.Lidman, C.McMahon, R.~G.Nugent, P.Pain, R.Panagia, N.Pennypacker, C.~R.Ruiz-Lapuente, P.Schaefer, B.Walton, N.2025-06-302025-06-300028-0836Bibtex:1998Natur.392..311Phttps://hdl.handle.net/1885/73376565611998-03-0110.1038/327110032546381