Debell, J.M., Goggin, W.C., and Gloor, W.E., German Plastics Practice, The Murray Printing Company , Cambridge, Massachusetts (464), 1946.
2.
Goodyear Aircraft Corporation, "Radome Materials Research and Fabrication Service," PB 110497; "Foaming in Place Alkyd Resin for Sandwich Radome," PB 110498.
3.
Simon, E. and Thomas, F.W. (to Lockheed Aircraft Corporation), U.S. Patents 2,577,279, December 4, 1951; 2,577,-280, December 4, 1951; 2,577,281, December 4, 1951; 2,571,884, April 8, 1952, 2,602,782, July 8, 1952; 2,634,-244, April 7, 1953; 2,642,403, June 16, 1953.