Importante! Sobre el catálogo
| 1. | CRAF handbook for radio Astronomy / edited by Jim Cohen, Titus Spoelstra, Roberto Ambrosini and Wim van Driel. — 3rd ed. | 2005 | Libro |
180
COH 
|
| 2. |
[Planung und Berechnung von Kurzwellenverbindungen. Inglés] Planning and engineering of shortwave links / Gerhard Braun. — 2nd ed. |
1986 | Libro |
6250
BRA |
| 3. | Radio frequency interference. | 1978 | Libro |
5230
LOW |