Proceedings of the IRE volume 37 number 3, March 1949.
IRE 1949, pp 226 - 336 inclusive, plus sep. numbered adverts. at front and rear. Whole issue in original wraps as issued.
IRE 1949, pp 226 - 336 inclusive, plus sep. numbered adverts. at front and rear. Whole issue in original wraps as issued.
The Institute of Radio Engineers, September 1958,pp 1571-1682 inclusive; Illustrations, Refrences.