TY  - BOOK
ED  - International Telephone and Telegraph Corporation
ED  - Federal Telephone and Radio Corporation
TI  - Reference data for radio engineers
AV  - TK6552 R4
PY  - 1943///
CY  - New York
PB  - International telephone and telegraph corporation
KW  - Radio
KW  - Tablas, calculos, etc
N1  - Eds. 1-3, publ. por federal telephone and radio corporation; ed. 4- publ. por international telephone and telegraph corporation
ER  -