https://skranz.r-universe.dev/skUtilshttps://skranz.r-universe.dev/api/packages/skUtilshttps://skranz.r-universe.dev/skUtils/skUtils.pdfhttps://skranz.r-universe.dev/skUtils/doc/manual.htmlhttps://skranz.r-universe.dev/skUtils/citationhttps://skranz.r-universe.dev/skUtils/citation.txthttps://skranz.r-universe.dev/skUtils/citation.cff