TY  - BOOK
AU  - Petersen,David
TI  - Audio, video, and data telecommunications
SN  - 0077074270 :
AV  - TK5101 .P42 1992
U1  - 621.382 20
PY  - 1992///
CY  - London, New York
PB  - McGraw-Hill Book Co.
KW  - Telecommunication
N1  - Includes bibliographical references (p. 324-325) and index
ER  -