Analysis and interpretation of radiometric signals in a liquid-gas bubble flow Marcin Zych, Robert Hanus, Marek Jaszczur, Anna Golijanek-Jędrzejczyk, Dariusz Świsulski and Gholam H. Roshani EPJ Web Conf., 213 (2019) 02105 Published online: 28 June 2019 DOI: 10.1051/epjconf/201921302105