"kennedy, george . "
eletronics communication systems: / george.. kennedy - 4 ed. - u.s.a : mcgraw-hill 2001. - "xv, 739p.; 24 cm."
0-07-463682-0
eletronics communication--
621. 382 ken
eletronics communication systems: / george.. kennedy - 4 ed. - u.s.a : mcgraw-hill 2001. - "xv, 739p.; 24 cm."
0-07-463682-0
eletronics communication--
621. 382 ken