RU Cen and SX Cen: Two strongly depleted RV Tauri stars in binary systems - The RV Tauri photometric b phenomenon and binarityT. Maas, H. Van Winckel and C. WaelkensA&A, 386 2 (2002) 504-516DOI: https://doi.org/10.1051/0004-6361:20020209
