https://lcorag.r-universe.dev/RSChttps://lcorag.r-universe.dev/api/packages/RSChttps://lcorag.r-universe.dev/RSC/RSC.pdfhttps://lcorag.r-universe.dev/RSC/doc/manual.htmlhttps://lcorag.r-universe.dev/RSC/NEWShttps://lcorag.r-universe.dev/RSC/NEWS.txthttps://lcorag.r-universe.dev/RSC/citationhttps://lcorag.r-universe.dev/RSC/citation.txthttps://lcorag.r-universe.dev/RSC/citation.cff