Journal Article
Watermann, J.; de la Beaujardière, O.; Lummerzheim, D.; Woch, J.; Newell, P. T.; Potemra, T. A.; Rich, F. J.; Shapshak, M.: The dynamic cusp at low altitudes: a case study combining Viking, DMSP-F7, and Sondrestrom incoherent scatter radar observations. Annales Geophysicae
12 (12), pp. 1144 - 1157 (1994)