1. Periodic Differential Equations, An Introduction to Mathicu, Lame, and Allied Functions;Arscott,1964
2. Optical (λ6300) detection of radio frequency heating of electrons in theFregion
3. Space Research II;Bowhill,1961
4. Wave Propagation in Periodic Structures;Brillouin,1953
5. Radio Waves in the Ionosphere;Budden,1961