Measurements and empirical model comparisons of F-region characteristics and auroral oval boundaries during the solstitial SUNDIAL campaign of 1987.

Szuszczewicz E.P., Wilkinson P., Swider W., Pulinets S., Abdu M.A., Roelof E., Fuller-Rowell T., Evans D.S., Bateman T., Blanchard P., Gustafsson G., Hanbaba R., Joselyn J., Kikuchi T., Leitinger R., Lester M., Reddy B.M., Ruohoniemi M., Sands M., Sobral J., Walker G.O., Wickwar V. (1993) Measurements and empirical model comparisons of F-region characteristics and auroral oval boundaries during the solstitial SUNDIAL campaign of 1987, Annals Geophysicae 11. 601;