Pearce, Gillian; Patchett, Bruce; Allington-Smith, Jeremy; Parry, Ian (1988). "Observations of the supernova SN1987L with the new Faint Object Spectrograph on the 4.2 m William Herschel Telescope". Astrophysics and Space Science. 150 (2): 267–271. doi:10.1007/BF00641721. S2CID121470638.
de Vaucouleurs, G.; de Vaucouleurs, A.; Corwin, J. R. (1976). "Second reference catalogue of bright galaxies". Second Reference Catalogue of Bright Galaxies. 1976. Bibcode:1976RC2...C......0D.
Pearce, Gillian; Patchett, Bruce; Allington-Smith, Jeremy; Parry, Ian (1988). "Observations of the supernova SN1987L with the new Faint Object Spectrograph on the 4.2 m William Herschel Telescope". Astrophysics and Space Science. 150 (2): 267–271. doi:10.1007/BF00641721. S2CID121470638.