Evaluation of the structures size in the liquid-gas flow by gamma-ray absorptionMarcin Zych, Robert Hanus, Marek Jaszczur, Dariusz Świsulski, Leszek Petryka, Paweł Jodłowski and Piotr ZychEPJ Web Conf., 180 (2018) 02123DOI: https://doi.org/10.1051/epjconf/201817002123