Reference data for radio engineers.
- 5th ed.
- Indianapolis [etc] H.W.Sams, 1970 ,1968
- 1v. various pagings
Originally a 60-page brochure... compiled by W.L.McPherson...published in England 1942 U.S. edition: 1-3 , issued by Federal Telephone and Radio Corporation;4-by International Telephone and Telegraph Corporation