Type II Cepheids in the Milky Way disc - Chemical composition of two new W Virginis stars: DD Vel and HQ CarB. Lemasle, V. Kovtyukh, G. Bono, P. François, I. Saviane, I. Yegorova, K. Genovali, L. Inno, G. Galazutdinov and R. da SilvaA&A, 579 (2015) A47DOI: https://doi.org/10.1051/0004-6361/201425541
