TY  - BOOK
AU  - Clauson-Thue,W.
TI  - The A B C universal commercial, electric telegraphic code specially adapted for the use of financiers, merchants, shipowners, brokers, agents, etc. ..
U1  - 384.14 .C616 1899 
PY  - 1899///
CY  - New Yor
PB  - The American Code Publishing Co
KW  - Códigos de cifrado y telégrafo
ER  -