1. Melvin A. Cook,The Science of High Explosives(Reinhold Publishing Corporation, New York, 1958).
2. The informal letter report on Task NOL-323, June 28, 1957, U.S. Naval Ordnance Laboratory, White Oak, Silver Spring, Maryland (confidential), mentions use of the principles of the method in another mechanical form.
3. The resistance wire (Nichrome) was supplied by the Driver-Harris Company, 201 Middlesex Street, Harrison, New Jersey; the insulated wire was supplied by the Belden Manufacturing Company, 4647 West Van Buren Street, Chicago 44, Illinois, and is marketed under the trade name Nylclad (HNC).