https://forkonlp.r-universe.dev/DNH4https://forkonlp.r-universe.dev/api/packages/DNH4https://forkonlp.r-universe.dev/DNH4/DNH4.pdfhttps://forkonlp.r-universe.dev/DNH4/doc/manual.htmlhttps://forkonlp.r-universe.dev/DNH4/NEWShttps://forkonlp.r-universe.dev/DNH4/NEWS.txthttps://forkonlp.r-universe.dev/DNH4/citationhttps://forkonlp.r-universe.dev/DNH4/citation.txthttps://forkonlp.r-universe.dev/DNH4/citation.cff