Peterson, B. A.; Savage, A.; Jauncey, D. L.; Wright, A. E. (1982). "PKS 2000-330 - A quasi-stellar radio source with a redshift of 3.78". Astrophysical Journal. 260: L27 –L29. Bibcode:1982ApJ...260L..27P. doi:10.1086/183863.
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Peterson, B. A.; Savage, A.; Jauncey, D. L.; Wright, A. E. (1982). "PKS 2000-330 - A quasi-stellar radio source with a redshift of 3.78". Astrophysical Journal. 260: L27 –L29. Bibcode:1982ApJ...260L..27P. doi:10.1086/183863.