Free Access
Multi-periodicity of the Be star η Centauri from spectroscopic and photometric observations p. 407
Published online: 15 June 1999
Free Access to the whole issue
catalogue of galaxies in Hickson compact groups - I. The sample
p. 495
8500-8750 Å for GAIA - I. Mapping the MKK classification system
p. 521
mm in Urumqi Astronomical Station
p. 537