https://umbe1987.r-universe.dev/RegEnRFhttps://umbe1987.r-universe.dev/api/packages/RegEnRFhttps://umbe1987.r-universe.dev/RegEnRF/RegEnRF.pdfhttps://umbe1987.r-universe.dev/RegEnRF/doc/manual.htmlhttps://umbe1987.r-universe.dev/RegEnRF/NEWShttps://umbe1987.r-universe.dev/RegEnRF/NEWS.txthttps://umbe1987.r-universe.dev/RegEnRF/citationhttps://umbe1987.r-universe.dev/RegEnRF/citation.txthttps://umbe1987.r-universe.dev/RegEnRF/citation.cff