Shevchik, V.N., [et al] <br/><br/>
Wave and oscillatory phenomena in electron beams at microwave frequencies   
by V.N. Shevchik, [et al], Tr. by O.M. Blunn, B. Metzer. 
 -  Pergamon Press  1966 
<br/><br/><label>Dewey Class. No.: </label>621.3813  / N66