TY  - BOOK
TI  - Communication technology update
SN  - 0750695935 :
U1  - 302.23 19
PY  - 1994///
CY  - Boston
PB  - Butterworth-Heinemann
KW  - Communication satelites
KW  - Spines
KW  - Information transfer
KW  - Communication
N1  - Includes bibliographical references
N2  - Communication
ER  -