Radio and submillimetre observations of wind structure in ζ Puppis R. Blomme, G. C. van de Steene, R. K. Prinja, M. C. Runacres and J. S. Clark A&A, 408 2 (2003) 715-727 Published online: 17 November 2003 DOI: 10.1051/0004-6361:20031007