Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Ulugh Beg Astronomical Institute
William Herbst, Catrina M. Hamilton, Frederick J. Vrba +12
Ritaban Chatterjee, Alan P. Marscher, Svetlana G. Jorstad +33