@article{Bütikofer:2016GR, author = "Bütikofer, Rolf and Flückiger, Erwin and Galsdorf, Dennis and Heber, Bernd and Herbst, Konstantin and Steigies, Christian", title = "{Rapid determination of cutoff rigidities and asymptotic directions using predetermined parameters in a database }", doi = "10.22323/1.236.0112", journal = "PoS", year = 2016, volume = "ICRC2015", pages = "112" }