THE ACTIVE SUN
SPACE SCIENCE REVIEWS 29:4 (1981) 363-365
THE APPARENT AND TRUE ELLIPTICITIES OF GALAXIES OF DIFFERENT HUBBLE TYPES IN THE 2ND REFERENCE CATALOG
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 194:2 (1981) 679-691
THE CHROMOSPHERE AND CORONA OF PROCYON (ALPHA-CMI, F5 IV-V)
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 196:3 (1981) 757-779