@article{Fayos:56215,
      author        = "Fayos, O. and Vallès, M.P. and Garcés-Claver, A. and
                       Mallor, C. and Castillo, A.M.",
      title         = "{Doubled haploid production from Spanish onion (Allium
                       cepa L.) germplasm: Embryogenesis induction, plant
                       regeneration and chromosome doubling}",
      year          = "2015",
}