SPIRAL HEATING OF GALACTIC DISKS
DYNAMICS OF GALAXIES AND THEIR MOLECULAR CLOUD DISTRIBUTIONS 146 (1991) 400-401
UNDERSTANDING THE KINEMATICS OF GALACTIC-CENTER GAS
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 252:2 (1991) 210-218
GALACTIC STRUCTURE - SEEING THE WOOD, NOT THE TREES
NATURE 344:6261 (1990) 23-24
MODELS OF ELLIPTIC GALAXIES - NGC-3379, NGC-4261, NGC-4278 AND NGC-4472
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 245:4 (1990) 582-596