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Lin, Y.T.; et al. (1979). "Characterization of lightning return stroke electric and magnetic fields from simultaneous two-station measurements". J. Geophys. Res. 84 (C10): 6307. Bibcode:1979JGR....84.6307L. doi:10.1029/JC084iC10p06307.
Weidman, C.D.; Krider, E. P. (1979). "The radiation field wave forms produced by intracloud lightning discharge processes". J. Geophys. Res. 84 (C6): 3159. Bibcode:1979JGR....84.3159W. doi:10.1029/JC084iC06p03159.