DEPENDENCE OF SPECTRAL WIDTH OF IONOSPHERIC F REGION HF ECHOES ON ELECTRIC FIELD ArticleKozlovsky A., Turunen T., Shalimov S., Lukianova R., Koustov A.V.Journal of Geophysical Research: Space Physics. Vol. 116. 2011. A07302 p..
eLIBRARY: 67393