A radio continuum survey of the southern sky at 1420 MHz - Observations and data reduction J. C. Testori, P. Reich, J. A. Bava, F. R. Colomb, E. E. Hurrel, J. J. Larrarte, W. Reich and A. J. Sanz A&A, 368 3 (2001) 1123-1132 Published online: 15 March 2001 DOI: 10.1051/0004-6361:20010088