TY  - BOOK
AU  -  Aktiengesellschaft,  Siemens
TI  - Instrumentation for communications : : translation of the 12th German ed. of Oct. 1968. 
U1  - 621.382 23
PY  - 1969///
CY  - [München] : 
PB  - Siemens Aktiengesellschaft, 
KW  - Télécommunications
KW  - Guides
KW  - manuels
ER  -