Martins, F;    Simon-Diaz, S;    Palacios, A;    Howarth, I;    Georgy, C;    Walborn, NR;    Bouret, J-C;           Martins, F;  Simon-Diaz, S;  Palacios, A;  Howarth, I;  Georgy, C;  Walborn, NR;  Bouret, J-C;  Barba, R;   - view fewer <#>    (2015)    Surface abundances of ON stars.                   Astronomy & Astrophysics , 578  (A10)      10.1051/0004-6361/201526130 <https://doi.org/10.1051/0004-6361%2F201526130>.       Green open access