@article{Mettus_2018,
title={Pattern Propagation Factor of the Earth},
ISSN={1993-8985},
url={http://dx.doi.org/10.32603/1993-8985-2018-21-1-43-49},
DOI={10.32603/1993-8985-2018-21-1-43-49},
number={1},
journal={Journal of the Russian Universities. Radioelectronics},
publisher={St. Petersburg Electrotechnical University LETI},
author={Mettus,
L. S. and Mikhailov,
V. N. and Khachaturian,
A. B.},
year={2018},
month=apr,
pages={43–49} }