Petropolis

发表

Memberships and CM diagrams of the open cluster NGC$\,$7243

Riga, Latvia, R. Janeiro, 2002, astro-ph/0212496.

Proper motions and CCD-photometry of stars in the region of the open cluster NGC 1513

Russia., S. Petersburg, V. Frolov, 2002, astro-ph/0212255.