Jones, Michael.
Application of the Geometrical Theory of Diffraction to Terrestrial LF Radio Wave Propagation / Jones Michael. - Berlin : Springer-Verlag, 1968. - 26 s.; 35 cm.
Application of the Geometrical Theory of Diffraction to Terrestrial LF Radio Wave Propagation / Jones Michael. - Berlin : Springer-Verlag, 1968. - 26 s.; 35 cm.