Signals features extraction in liquid-gas flow measurements using gamma densitometry. Part 1: time domainRobert Hanus, Marcin Zych, Leszek Petryka, Marek Jaszczur and Paweł HanusEPJ Web of Conferences, 114 (2016) 02035DOI: https://doi.org/10.1051/epjconf/201611402035