TY  - GEN
AU  - Noll,A.Michael
TI  - Introduction to telephones and telephone systems
SN  - 089006203X (pbk.)
AV  - TK6162 
U1  - 621.385 19
PY  - 1986///
CY  - Norwood, MA
PB  - Artech House
KW  - Telephone systems
KW  - Telephone
N1  - Includes index; Bibliography: p. [171]-172
ER  -