Observations of coronal structure during sunspot maximumN. R. Sheeley; R. A. Howard; M. J. Koomen; D. J. Michels; K. L. Harvey; J. W. Harvey · 1982

Magnetic measurements of coronal holes during 1975–1980K. L. Harvey; N. R. Sheeley; J. W. Harvey · 1982

Coronal holes, solar wind streams, and recurrent geomagnetic disturbances: 1973–1976N. R. Sheeley; J. W. Harvey; W. C. Feldman · 1976

A comparison of Heii304 Å and Hei10 830 Å spectroheliogramsJ. W. Harvey; N. R. Sheeley · 1977

Coronal holes, solar wind streams, and geomagnetic disturbances during 1978 and 1979N. R. Sheeley; J. W. Harvey · 1981

The effect of newly erupting flux on the polar coronal holesN. R. Sheeley; Y. M. Wang; J. W. Harvey · 1989

Coronal holes, solar wind streams, and geomagnetic activity during the new sunspot cycleJ. W. Harvey; N. R. Sheeley · 1978