TY - BOOK AU - Skovli,Gunnar ED - NATO Advanced STudy Institute TI - The polar ionosphere and magnetospheric processes AV - QC881.2.I6 N18 1969 U1 - 551.5/145/0911 PY - 1970///] CY - New York PB - Gordon and Breach KW - Polar ionosphere KW - Magnetosphere KW - Geophysics KW - Polar regions N1 - Includes bibliographies ER -