GORILLA: Guiding-center ORbit Integration with Local Linearization Approach. - Michael Eder; Lukas M. P. Bauer; Daniel Forstenlechner; Georg S. Graßler; Sergei V. Kasilov; Winfried Kernbichler; Markus Meisterhofer; Michael Scheidt; Christopher G. Albert (J. Open Source Softw., 2023)