ON THE FLATTENING OF DARK HALOES
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 226:1 (1987) 149-156
THE CHROMOSPHERES AND CORONAE OF 5 G-K MAIN-SEQUENCE STARS
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 225:4 (1987) 903-937
THE ULTRAVIOLET-SPECTRA OF COOL STAR CHROMOSPHERES - EXCITATION PROCESSES AND PLASMA DIAGNOSTICS
PHYSICA SCRIPTA T17 (1987) 104-108