Radioisotope measurements of the liquid-gas flow in the horizontal pipeline using phase methodRobert Hanus, Marcin Zych, Marek Jaszczur, Leszek Petryka and Dariusz ŚwisulskiEPJ Web Conf., 180 (2018) 02032DOI: https://doi.org/10.1051/epjconf/201818002032