The classification of sunspot groups

Large-scale patterns formed by solar active regions during the ascending phase of cycle 21

V. Gaizauskas, K. L. Harvey, J. W. Harvey et al. · The Astrophysical Journal · 1983 · 266 citations

The Relations Between Eruptions and Sunspots.

R. G. Giovanelli · The Astrophysical Journal · 1939 · 96 citations

A secondary polar zone of solar prominences

M. Waldmeier · Solar Physics · 1973 · 48 citations

Geophysics, Engineering, Secondary Polar Zone +3

A new model for flux emergence and the evolution of sunspots and the large-scale fields

P. S. McIntosh, P. R. Wilson · Solar Physics · 1985 · 48 citations

New Model, Flux Emergence, Plasma Physics +5

Sunspot Configurations and Proton Flares

Constance S. Warwick · The Astrophysical Journal · 1966 · 42 citations