Importante! Sobre el catálogo
| International Astronomical Union. Symposium (134° : 1988 : Santa Cruz, Calif.) | ||||
| 1. | Active galactic nuclei : proceedings of the 134th Symposium of the International Astronomical Union, held in Santa Cruz, California, August 15-19, 1988 / edited by Donald E. Osterbrock and Joseph S. Miller. | 1989 | Libro |
006.121
|
| Osterbrock, Donald E. | ||||
| 2. | Astrophysics of gaseous nebulae and active galactic nuclei. — Ed. aument. | 1989 | Libro |
130.022
|
| Autores varios | ||||
| 3. | Planetary nebulae. | 1968 | Libro |
006.024
|