@article{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", journal = "PoS", year = 2021, volume = "ICRC2021", pages = "1312" }