https://gbeurier.r-universe.dev/nirs4alliohttps://gbeurier.r-universe.dev/api/packages/nirs4alliohttps://gbeurier.r-universe.dev/nirs4allio/nirs4allio.pdfhttps://gbeurier.r-universe.dev/nirs4allio/doc/manual.htmlhttps://gbeurier.r-universe.dev/nirs4allio/citationhttps://gbeurier.r-universe.dev/nirs4allio/citation.txthttps://gbeurier.r-universe.dev/nirs4allio/citation.cff