TY  - BOOK
AU  - Markus,John
TI  - Communications circuits ready- reference
SN  - 0070404607
PY  - 1982///
CY  - New York
PB  - McGraw- Hill
KW  - Elecrtric circuits
KW  - handbook, manuals, etc
KW  - Telecommunication
KW  - apparatus and supplies- Handbooks, manuals, etc
N1  - Includes index
ER  -