Citation:
Sozzetti A, Torres G, Latham DW, Stefanik RP, Korzennik SG, Boss AP, Carney BW, Laird JB. A Keck HIRES Doppler Search for Planets Orbiting Metal-Poor Dwarfs. II. On the Frequency of Giant Planets in the Metal-Poor Regime. \apj. 2009;697 (1) :544-556.