https://bmaitner.r-universe.dev/GNRShttps://bmaitner.r-universe.dev/api/packages/GNRShttps://bmaitner.r-universe.dev/GNRS/GNRS.pdfhttps://bmaitner.r-universe.dev/GNRS/doc/manual.htmlhttps://bmaitner.r-universe.dev/GNRS/NEWShttps://bmaitner.r-universe.dev/GNRS/NEWS.txthttps://bmaitner.r-universe.dev/GNRS/citationhttps://bmaitner.r-universe.dev/GNRS/citation.txthttps://bmaitner.r-universe.dev/GNRS/citation.cffhttps://bmaitner.r-universe.dev/GNRS/doc/GNRS.Rmdhttps://bmaitner.r-universe.dev/articles/GNRS/GNRS.html