@article{LozanoBernal:48102,
      author        = "Lozano Bernal, María Pilar and Gabal Lanau, Miguel and
                       Sesé Monclús, Javier and Pina Iritia, Maria Pilar and
                       Rillo Millan, Conrado",
      title         = "{Purification of recovered helium with low level of
                       impurities: evaluation of two different methods}",
      year          = "2015",
}