Bucharest catalogue of NPZT stars, declination zone +49° to +50°, equinox 1950.0 /

Autor Toma, E., Tudor, Marius, 1966-, Popescu, P.
Vydáno 1987

Bucharest catalogue of NPZT stars, declination zone +49° to +50°, equinox 2000.0 /

Autor Toma, E., Tudor, Marius, 1966-, Liculescu, M.
Vydáno 1986