00509pamaa2200157 4500 0000029572 20060601090000.0 0790611562 621.381 CAR TK7863 CAR 1998 CARR Communication electronics for technicians : a complete reference and study guide for the CET communications option examination Jiseph J. Carr. Indianapolis: Prompt Pub., 1998. xviii, 311p.; 26cm. Electronics Telecommunication