1. The circuit equation for traveling wave tubes;BUTCHER,1957
2. G. MOURIER Congr. intern. “Tubes Hyperfrequences” Paris, 1956. Travaux du Congrès Vol. 1, pp. 493–498.
3. “Fields and Waves in Modern Radio,”;RAMO,1953
4. P. GUENARD AND G. MOURIER private communication, 1950.