| 000 | 004400000a22001450004500 | ||
|---|---|---|---|
| 001 | EST | ||
| 003 | 621.39 / H21 | ||
| 004 | M | ||
| 006 | m | ||
| 100 | _aHeadrick, Daniel R. | ||
| 245 | _aThe invisible weapon: telecommunications and international politics, 1851-1945 | ||
| 047 | _a0-19-506273-6 | ||
| 650 | _a<TELECOMUNICACIONES><POLITICA INTERNACIONAL><HISTORIA DE LA COMUNICACION><GUERRA><GUERRA MUNDIAL [1939-1945]> | ||
| 999 |
_c20040 _d20040 |
||