TY  - BOOK
AU  - DunganI 
TI  - Electronic communications systems 
SN  - 0827386249
U1  - 621.382 DUN 1998 
PY  - 1998///
CY  - Albany
PB  - Delmar Publishers
KW  - Telecommunication
N1  - Includes bibliographical references and index
ER  -