| 000 | 00577nam a2200193 a 4500 | ||
|---|---|---|---|
| 003 | AR-LpUBP | ||
| 005 | 20240628144945.0 | ||
| 007 | ta | ||
| 008 | 091130s1921 xxua g 000 0 eng d | ||
| 040 |
_aAR-LpUBP _bspa _cAR-LpUBP |
||
| 110 | 2 |
_aEstados Unidos de América. Army. Signal Corps _9100095 |
|
| 245 | 1 | 0 | _aThe Principles Underlying Radio Communication |
| 250 | _a2a. ed. | ||
| 260 |
_aWashington : _bGovernment Printing Office, _c1921. |
||
| 300 |
_a619 p. : _bil. ; _c18 cm. |
||
| 490 | 0 |
_aRadio Communication Pamphlet ; _v40 |
|
| 942 | _cBK | ||
| 999 |
_c220268 _d220268 |
||
| 988 |
_c76 _dMaría Victoria Somoza _a76 _bMaría Victoria Somoza |
||