Propagating bending waves in accretion discs and the Bardeen-Petterson effect
ASTROPHYSICAL DISCS 160 (1999) 81-90
Protostellar Discs and Planet Formation
Chapter in Planets Outside the Solar System: Theory and Observations, Springer Nature (1999) 65-86
The abundance of brown dwarfs
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 307:3 (1999) L27-L30
The anomalous intensities of helium lines in the quiet solar transition region
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 308:2 (1999) 510-526