The variability and predictability of the main ionospheric trough

Rodger, Alan S.; Pinnock, Michael. 1981 The variability and predictability of the main ionospheric trough. In: Deehr, C.S.; Holtet, J.A., (eds.) Exploration of the polar upper atmosphere. Proceedings of the NATO Advanced Study Institute held at Lillehammer, Norway, May 5-16, 1980. Dordrecht, Reidel, 463-469. (NATO ASI Series C: Mathematical and physical sciences, 64).

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