https://gitdemont.r-universe.dev/IFChttps://gitdemont.r-universe.dev/api/packages/IFChttps://gitdemont.r-universe.dev/IFC/IFC.pdfhttps://gitdemont.r-universe.dev/IFC/doc/manual.htmlhttps://gitdemont.r-universe.dev/IFC/NEWShttps://gitdemont.r-universe.dev/IFC/NEWS.txthttps://gitdemont.r-universe.dev/IFC/citationhttps://gitdemont.r-universe.dev/IFC/citation.txthttps://gitdemont.r-universe.dev/IFC/citation.cff