1. Tobe Deutschmann Lab. Canton, Massachusetts. Low inductance energy storage capacitors. Bull. EB365–20.
2. Fansteel Metallurgical Corp. Tantalum capacitors. Industrial paper.
3. Edgerton, Germeshausen, and Grier, Inc., Boston, Massachusetts, Krytrons, Thyratrons. Industrial papers.
4. English Electric Valve Comp. Limited. Lincoln, England. Electronic Valve and Component data.
5. Bacchi, H., and Pauwels, J. C. Study of a very low jitter spark gap: Application to the realization of a high speed camera using a biplanar shutter tube with exposure time of 0.3 nsec. Proc. Int. Congr. High-Speed Photography, 9th, Denver, pp. 488–492. Soc. Motion Picture Television Eng., New York (1970).