Peter A. Gilman-NCAR/UCAR
R. Howard
Rotation and expansion within sunspot groups
The Astrophysical Journal
1986-04-01
303
1
480-485
article
Refereed
Copyright 1986 the American Astronomical Society.
http://dx.doi.org/10.1086/164093
http://n2t.net/ark:/85065/d7br8rtq