Friis-Christensen, E. (1980). High latitude ionospheric currents. Det Danske Meteorologiske Institut.
Chicago Style (17th ed.) CitationFriis-Christensen, Eigil. High Latitude Ionospheric Currents. Kobenhavn: Det Danske Meteorologiske Institut, 1980.
MLA (9th ed.) CitationFriis-Christensen, Eigil. High Latitude Ionospheric Currents. Det Danske Meteorologiske Institut, 1980.
Warning: These citations may not always be 100% accurate.