On-line 3CRR database: reference
Reference(s) for the field `Old radio position' for object 3C48
- Wilkinson P.N., Tzioumis A.K., Ajukor C.E., Benson J.M., Walker R.C., Simon R.S., 1990, Parsec-scale Radio Jets, eds Zensus J.A., Pearson T.J., Cambridge University Press p. 152.