Importante! Sobre el catálogo
Perek, Lubos. | ||||
1. | Catalogue of galactic planetary nebulae / Lubos Perek, Lubos Kohoutek. | 1967 | Libro |
002.021
|
Autores varios | ||||
2. | Highlights of astronomy : as presented at the XIIIth General Assembly of the IAU. | 1968 | Libro |
006.751
|