Importante! Sobre el catálogo
| LDR | ·····nam##22·····5##4500 |
| 001 | 001250 |
| 005 | 20121203154422.0 |
| 008 | 960000s1989####xx#a###f#f###|0||#0#eng#d |
| 245 | 00 | $a Arecibo Observatory user's manual. |
| 260 | ## | $a Ithaca : $b National Astronomy and Ionosphere Center, Cornell University, $c 1989. |
| 300 | ## | $a [110] p. (anilladas). |
| 653 | ## | $a Equipamientos de radioastronomía. |
| 653 | ## | $a Técnicas de radioastronomía. |
| 040 | ## | $a AR-BaBIR $b spa |