Importante! Sobre el catálogo
| LDR | ·····nam##22·····5##4500 |
| 001 | 001580 |
| 005 | 20110408151257.0 |
| 008 | 960000s1971####xx#####f#####|1||#0#eng#d |
| 245 | 14 | $a The Crab nebula. |
| 260 | ## | $a Dordrecht : $b D. Reidel, $c 1971. |
| 300 | ## | $a 470 p. |
| 490 | 0# | $a IAU Symposium ; $v no. 46 |
| 500 | ## | $a Held at Jodrell Bank, England, August 5-7, 1970.. |
| 020 | ## | $a 9027701830 |
| 700 | 1# | $a Davies, R. D. $4 edt |
| 700 | 1# | $a Smith, F. G. $4 edt |
| 710 | 2# | $a International Astronomical Union. $4 spn |
| 653 | ## | $a IAU - simposios. |
| 653 | ## | $a Nebulosa Crab. |
| 653 | ## | $a Pulsars. |
| 653 | ## | $a Remanentes de supernova. |
| 040 | ## | $a AR-BaBIR $b spa |