@inproceedings{Lubsandorzhiev:2021nx, author = "Lubsandorzhiev, Sultim", title = "{Large area photon detectors for large-scale neutrino physics experiments: single large area PMTs and multi small PMTs.}", doi = "10.22323/1.395.1104", booktitle = "Proceedings of 37th International Cosmic Ray Conference {\textemdash} PoS(ICRC2021)", year = 2021, volume = "395", pages = "1104" }