Luminosity determination for the proton-deuteron reaction using pd → 3Heη channel with WASA-at-COSY detectorMagdalena Skurzok, Oleksandr Rundel, Aleksander Khreptak and Paweł MoskalEPJ Web of Conferences, 181 (2018) 01014DOI: https://doi.org/10.1051/epjconf/201818101014