Martins, F;
Simon-Diaz, S;
Palacios, A;
Howarth, I;
Georgy, C;
Walborn, NR;
Bouret, J-C;
(2015)
Surface abundances of ON stars.
Astronomy & Astrophysics
, 578
(A10)
10.1051/0004-6361/201526130.