Importante! Sobre el catálogo
| LDR | ·····nam##22·····5a#4500 |
| 001 | 000561 |
| 005 | 20110407153914.0 |
| 008 | 090220s1992####xxua##########001#0#eng#d |
| 245 | 04 | $a The ARRL handbook for radio amateurs / $c Published by the American Radio Relay League. |
| 250 | ## | $a 69th ed. |
| 260 | ## | $a Newington : $b American Radio Relay League, $c 1992. |
| 300 | ## | $a 1 v. en varias paginaciones : $b il. ; $c 28 cm. |
| 440 | #0 | $a Radio amateur's library ; $v no. 6 |
| 020 | ## | $a 0872591697 |
| 710 | 2# | $a American Radio Relay League. $4 pbl |
| 084 | ## | $a 6250 $2 z |
| 040 | ## | $a AR-BaBIR |