@article{Vicha:2017AY, author = "Vicha, Jakub and Nosek, Dalibor and Travnicek, Petr and Ebr, Jan", title = "{Mass Composition of Cosmic Rays with Combined Surface Detector Arrays}", doi = "10.22323/1.301.0482", journal = "PoS", year = 2017, volume = "ICRC2017", pages = "482" }