Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
6 ta ish
Ish: The rotational modulation of ca II K in the sun
Robert F. Howard
V. Gaizauskas, K. L. Harvey, J. W. Harvey +1
Jagdev Singh, W. Livingston
S. L. Keil, S. P. Worden
Sallie L. Baliunas, A. H. Vaughan