TY  - GEN
T1  - Swedish signal intelligence, 1900-1945
T2  - Cass series--studies in intelligence
A1  - McKay, C. G., 1940-
A2  - Beckman, Bengt.
LA  - English
PP  - London ; Portland, Or.
PB  - Frank Cass
YR  - 2003
UL  - https://colectivo.uloyola.es/Record/ELB136996
OP  - 310
CN  - UB256.S8 M38 2003
SN  - 9781136341489
KW  - Electronic intelligence : Sweden : History : 20th century.
KW  - Electronic books.
ER  -