Origins of the Thick Disk as Traced by the Alpha-Elements of Metal-Poor
Giant Stars Selected from RAVE
Ruchti, G
Fulbright, J
Wyse, R
Gilmore, G
Bienaymé, O
Binney, J
Bland-Hawthorn, J
Campbell, R
Freeman, K
Gibson, B
Grebel, E
Helmi, A
Munari, U
Navarro, J
Parker, Q
Reid, W
Seabroke, G
Siebert, A
Siviero, A
Steinmetz, M
Watson, F
Williams, M
Zwitter, T
Astrophysical Journal Letters
volume 721
L92-L96
(23 Aug 2010)
http://arxiv.org/abs/1008.3828v1
Giant Stars Selected from RAVE