Ultraviolet and visual flux and line variations of one of the least variable Bp stars HD 64740J. Krtička, J. Janík, H. Marková, Z. Mikulášek, J. Zverko, M. Prvák and M. SkarkaA&A, 556 (2013) A18DOI: https://doi.org/10.1051/0004-6361/201221018