1. Bean, B.R., and Dutton, E.J.: Radio meteorology, (Dover Publications, Inc., New York 1968)
2. Blake, L.V.: Radar range-performance analysis, (Lexington Books, D.C. Heath and Co., Lexington, MA 1980)
3. Kerr, D.E.: Propagation of short radio waves, (McGraw-Hill Book Company 1951)
4. Reed, H.R., and Russell, C.M.: Ultra high frequency propagation, (Boston Technical Publishers, Cambridge, MA 1966)