Orbital modulation and longer term variability in the radio emission from Cygnus X-1
Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 302:1 (1999) l1-l5
A large-scale bulk flow of galaxy clusters
ASTROPHYSICAL JOURNAL 512:2 (1999) L79-L82
Abundance Gradients from Massive, Early-Type Stars — the Milky Way and Beyond
Chapter in Chemical Evolution from Zero to High Redshift, Springer Nature (1999) 24-29
Galactic bulges from Hubble Space Telescope NICMOS observations:: ages and dust
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 310:3 (1999) 703-716
Infrared spectroscopic variability of Cygnus X-3
Symposium - International Astronomical Union Cambridge University Press (CUP) 193 (1999) 358-359