An abundance of small exoplanets around stars with a wide range of metallicities.
Buchhave LA, Latham DW, Johansen A, Bizzarro M, Torres G, Rowe JF, Batalha NM, Borucki WJ, Brugamyer E, Caldwell C, Bryson ST, Ciardi DR, Cochran WD, Endl M, Esquerdo GA, Ford EB, Geary JC, Gilliland RL, Hansen T, Isaacson H, Laird JB, Lucas PW, Marcy GW, Morse JA, Robertson P, Shporer A, Stefanik RP, Still M, Quinn SN.
Buchhave LA, et al. Among authors: hansen t.
Nature. 2012 Jun 13;486(7403):375-7. doi: 10.1038/nature11121.
Nature. 2012.
PMID: 22722196