https://hectorrdb.r-universe.dev/Ecumehttps://hectorrdb.r-universe.dev/api/packages/Ecumehttps://hectorrdb.r-universe.dev/Ecume/Ecume.pdfhttps://hectorrdb.r-universe.dev/Ecume/doc/manual.htmlhttps://hectorrdb.r-universe.dev/Ecume/NEWShttps://hectorrdb.r-universe.dev/Ecume/NEWS.txthttps://hectorrdb.r-universe.dev/Ecume/citationhttps://hectorrdb.r-universe.dev/Ecume/citation.txthttps://hectorrdb.r-universe.dev/Ecume/citation.cffhttps://hectorrdb.r-universe.dev/Ecume/doc/Ecume.Rmdhttps://hectorrdb.r-universe.dev/articles/Ecume/Ecume.html