| LEADER | 00422nam a22001331a 4500 | ||
|---|---|---|---|
| 001 | UNA01000040268 | ||
| 005 | 20120328190644.0 | ||
| 008 | 080728s1974 000 0 spa d | ||
| 040 | |a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica | ||
| 082 | 0 | 4 | |a 553.282 |b B562v |
| 100 | 1 | |a Betancourt, Rómulo, |d 1908-1981 | |
| 245 | 1 | 0 | |a Venezuela dueña de su petróleo / |c Rómulo Betancourt |
| 650 | 0 | 4 | |a PETROLEO |
| 650 | 0 | 4 | |a VENEZUELA |