Free Access

This article has an erratum: [erratum]

Issue
Astron. Astrophys. Suppl. Ser.
Volume 118, Number 3, September 1996
Page(s) 481 - 494
DOI https://doi.org/10.1051/aas:1996213
Published online 15 September 1996

© European Southern Observatory (ESO), 1996