Article ISI
The Astrophysical Journal  (2007)

Spitzer: Accretion in Low-Mass Stars and Brown Dwarfs in the λ Orionis Cluster

Barrado y Navascués, David; Stauffer, John R.; Morales-Calderón, María; Bayo, Amelia; Fazzio, Giovanni; Megeath, Tom; Allen, Lori; Hartmann, Lee W.; Calvet, Nuria