https://hypertidy.r-universe.dev/ceramichttps://hypertidy.r-universe.dev/api/packages/ceramichttps://hypertidy.r-universe.dev/ceramic/ceramic.pdfhttps://hypertidy.r-universe.dev/ceramic/doc/manual.htmlhttps://hypertidy.r-universe.dev/ceramic/NEWShttps://hypertidy.r-universe.dev/ceramic/NEWS.txthttps://hypertidy.r-universe.dev/ceramic/citationhttps://hypertidy.r-universe.dev/ceramic/citation.txthttps://hypertidy.r-universe.dev/ceramic/citation.cff