“Physical Properties of the SKYLAB North Polar Coronal Hole with an Extended Base and its MHD Self-Consistent Modelling”, RMxAA, vol. 22, no. 1, p. 181, Jan. 1991, Accessed: Dec. 09, 2025. [Online]. Available: https://astronomia.unam.mx/journals/rmxaa/article/view/1991rmxaa..22..181b