L. Bearce

Penetration of the Ionosphere by Very-Low-Frequency Radio Signals-Interim Results of the LOFTI I Experiment

J. P. Leiphart, R. Zeek, L. Bearce, 1962, Proceedings of the IRE.

Impedance and large signal excitation of satellite-borne antennas in the ionosphere

D. Baker, H. Weil, L. Bearce, 1973 .