TY - `JOUR` AU - Spite, Monique AU - Caffau, Elisabetta AU - Sbordone, Luca TI - The low Sr/Ba ratio on some extremely metal-poor stars LA - eng SP - 9 S. T2 - Astronomy and astrophysics PY - 2014 VL - 571 SI - ? SP - A40 DO - 10.1051/0004-6361/201423658 AN - UBHD-67708968 ER -