Xilouris, E. M.; Kylafis, N. D.; Papamastorakis, J.; Paleologou, E. V.; Haerendel, G. (1 September 1997). "The distribution of stars and dust in spiral galaxies: the edge-on spiral UGC 2048". Astronomy and Astrophysics. 325: 135–143. Bibcode:1997A&A...325..135X. ISSN0004-6361.
Guthrie, B. N. G. (1 May 1992). "Axial ratios of edge-on spirals". Astronomy and Astrophysics Supplement Series. 93: 255–270. Bibcode:1992A&AS...93..255G. ISSN0365-0138.
Xilouris, E. M.; Kylafis, N. D.; Papamastorakis, J.; Paleologou, E. V.; Haerendel, G. (1 September 1997). "The distribution of stars and dust in spiral galaxies: the edge-on spiral UGC 2048". Astronomy and Astrophysics. 325: 135–143. Bibcode:1997A&A...325..135X. ISSN0004-6361.
Guthrie, B. N. G. (1 May 1992). "Axial ratios of edge-on spirals". Astronomy and Astrophysics Supplement Series. 93: 255–270. Bibcode:1992A&AS...93..255G. ISSN0365-0138.