ORR, William I.
Radio handbook - 23d ed. - Indianapolis H.W. Sams 1987
0-672-22424-0
RADIO COMMUNICATION-HANDBOOKS
621.396(02) / O7
Radio handbook - 23d ed. - Indianapolis H.W. Sams 1987
0-672-22424-0
RADIO COMMUNICATION-HANDBOOKS
621.396(02) / O7