Aguado, David S; Hernández, Jonay I. González; Prieto, Carlos Allende; Rebolo, Rafael (2018). "J0815+4729: A Chemically Primitive Dwarf Star in the Galactic Halo Observed with Gran Telescopio Canarias". The Astrophysical Journal852 (1): L20. doi:10.3847/2041-8213/aaa23a. Bibcode: 2018ApJ...852L..20A.
Aguado, David S; Hernández, Jonay I. González; Prieto, Carlos Allende; Rebolo, Rafael (2018). "J0815+4729: A Chemically Primitive Dwarf Star in the Galactic Halo Observed with Gran Telescopio Canarias". The Astrophysical Journal852 (1): L20. doi:10.3847/2041-8213/aaa23a. Bibcode: 2018ApJ...852L..20A.