TY  - BOOK
AU  - Lenk,John D.
TI  - Complete guide to telephone equipment troubleshooting and repairs
SN  - 0131607979
PY  - 1987///
CY  - New Jersey
PB  - Prentice hall
KW  - Telephone
KW  - equipment and supplies, maintenance and repairs
N1  - Includes index
ER  -