TY  - BOOK
AU  - Podszeck,Heinrich-Karl
AU  - Middleton Robert G.
TI  - Carrier communication over power lines
SN  - 3540056912
U1  - 621.38784 
PY  - 1972///
CY  - Berlin
PB  - Springer-Verlag
KW  - Telephone lines
KW  - Communication networks
KW  - Telecommunication lines
KW  - Telephone systems
N1  - Includes index; Includes bibliography: p. 179-181
ER  -