A population of gamma-ray millisecond pulsars seen with the Fermi Large Area Telescope. - Abdo AA; Ackermann M; Ajello M; Atwood WB; Axelsson M; Baldini L; Ballet J; Barbiellini G; Baring MG; Bastieri D; Baughman BM; Bechtol K; et al. (Science (New York, N.Y.), 2009)