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Brush, Stephen G. (December 1992). "Alfvén's Programme in Solar System Physics". IEEE Transactions on Plasma Science. 20 (6): 577–589. Bibcode:1992ITPS...20..577B. doi:10.1109/27.199495.
Zmuda, Alfred; J.H. Martin & F.T.Heuring (1966). "Transverse Magnetic Disturbances at 1100 Kilometers in the Auroral Region". J. Geophys. Res. 71 (21): 5033–5045. Bibcode:1966JGR....71.5033Z. doi:10.1029/JZ071i021p05033.
Zmuda, A.; J. Armstrong; F. Heuring (1970). "Characteristics of Transverse Magnetic Disturbances Observed at 1100 Kilometers in the Auroral Oval". J. Geophys. Res. 75 (25): 4757–4762. Bibcode:1970JGR....75.4757Z. doi:10.1029/JA075i025p04757.
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