https://r-forge.r-universe.dev/mpmhttps://r-forge.r-universe.dev/api/packages/mpmhttps://r-forge.r-universe.dev/mpm/mpm.pdfhttps://r-forge.r-universe.dev/mpm/doc/manual.htmlhttps://r-forge.r-universe.dev/mpm/NEWShttps://r-forge.r-universe.dev/mpm/NEWS.txthttps://r-forge.r-universe.dev/mpm/citationhttps://r-forge.r-universe.dev/mpm/citation.txthttps://r-forge.r-universe.dev/mpm/citation.cff