Persistency of planetary waves in the lower ionosphere

LAŠTOVIČKA, J., KRIŽAN, P., NOVOTNÁ, D. Persistency of planetary waves in the lower ionosphere. In: Book of Abstracts of the 5th Scientific Assembly of International Association of Meteorology and Atmospheric Sciences. Innsbruck: Institute for Meteorology and Geophysics, University Innsbruck, 2001, s. S08.1-1.5.