V453 Oph: a s-process enriched, but carbon-deficient RV Tauri star of low intrinsic metallicityP. Deroo, M. Reyniers, H. Van Winckel, S. Goriely and L. SiessA&A, 438 3 (2005) 987-998DOI: https://doi.org/10.1051/0004-6361:20041858
