1. Pulse Generators, edited by G. N. Glasoe and J. V. Lebacqz, MIT Radiation Laboratory Series No. 5 (McGraw-Hill Book Company, Inc., New York, 1948), Chaps. 3, 5.
2. Radio Corporation of America (Tube Department), Harrison, New Jersey; RCA Power and Gas Tubes, Form No. PG-101-A, p. 8.