https://helgem.r-universe.dev/gencorhttps://helgem.r-universe.dev/api/packages/gencorhttps://helgem.r-universe.dev/gencor/gencor.pdfhttps://helgem.r-universe.dev/gencor/doc/manual.htmlhttps://helgem.r-universe.dev/gencor/citationhttps://helgem.r-universe.dev/gencor/citation.txthttps://helgem.r-universe.dev/gencor/citation.cff