Importante! Sobre el catálogo
| 1. | Highlights of astronomy: as presented at the XXIst General Assembly of the IAU, 1991. | 1992 | Libro |
006.759
|
| 2. | Inertial coordinate system on the sky : proceedings of the 141st Symposium of the International Astronomical Union, held in Leningrad, U.S.S.R., October 17-21, 1989 / edited by Jay H. Lieske and Victor K. Abalakin. | 1990 | Libro |
006.128
|