Perlmutter, S.; Aldering, G.; Goldhaber, G.; Knop, R. A.; Nugent, P.; Castro, P. G.; Deustua, S.; Fabbro, S. et al. (1999). "Measurements of Ω and Λ from 42 High‐Redshift Supernovae". The Astrophysical Journal517 (2): 565. doi:10.1086/307221. Bibcode: 1999ApJ...517..565P.
Perlmutter, S.; Gabi, S.; Goldhaber, G.; Goobar, A.; Groom, D. E.; Hook, I. M.; Kim, A. G.; Kim, M. Y. et al. (1997). "Measurements of the Cosmological Parameters Ω and Λ from the First Seven Supernovae atz≥ 0.35". The Astrophysical Journal483 (2): 565. doi:10.1086/304265. Bibcode: 1997ApJ...483..565P.
Perlmutter, S.; Aldering, G.; Goldhaber, G.; Knop, R. A.; Nugent, P.; Castro, P. G.; Deustua, S.; Fabbro, S. et al. (1999). "Measurements of Ω and Λ from 42 High‐Redshift Supernovae". The Astrophysical Journal517 (2): 565. doi:10.1086/307221. Bibcode: 1999ApJ...517..565P.
Perlmutter, S.; Gabi, S.; Goldhaber, G.; Goobar, A.; Groom, D. E.; Hook, I. M.; Kim, A. G.; Kim, M. Y. et al. (1997). "Measurements of the Cosmological Parameters Ω and Λ from the First Seven Supernovae atz≥ 0.35". The Astrophysical Journal483 (2): 565. doi:10.1086/304265. Bibcode: 1997ApJ...483..565P.
