@inproceedings{Dalla:2021c1, author = "Dalla, Silvia and Bruno, Alessandro and Laitinen, Timo and DeNolfo, Georgia and Ryan, James and Hutchinson, Adam and Waterfall, Charlotte", title = "{Can the number of relativistic solar proton 1 AU crossings be determined from neutron monitor data?}", doi = "10.22323/1.395.1312", booktitle = "Proceedings of 37th International Cosmic Ray Conference {\textemdash} PoS(ICRC2021)", year = 2021, volume = "395", pages = "1312" }