URSI National Committee Report, XIV General Assembly, Tokyo, September 1963: Commission 2. Tropospheric Radio Propagation (7 Sections)
Bolgiano, R. ; Bean, B.R. ; Bigler, S.G. ; Hogg, D.C. ; Straiton, A.W. ; Smyth, J.B. ; Chisholm, J.H. ; Pettengill, G.H.
Journal of research of the National Bureau of Standards. Section D. Radio science, 1964-05, Vol.68D (5), p.547Texto completo disponível