TY  - BOOK
AU  - Pender,  Harold 
AU  - McIlwain, Knox.
TI  - Electric communications and electronics
U1  - 621.381 
PY  - 1936///
CY  - New York
PB  - Jhon Wiley and Sons
KW  - Electrical engineering
KW  - Electronic circuits
KW  - Engineering reference books
N1  - Includes bibliographic references and index
ER  -