https://idslme.r-universe.dev/IDSL.SUFAhttps://idslme.r-universe.dev/api/packages/IDSL.SUFAhttps://idslme.r-universe.dev/IDSL.SUFA/IDSL.SUFA.pdfhttps://idslme.r-universe.dev/IDSL.SUFA/doc/manual.htmlhttps://idslme.r-universe.dev/IDSL.SUFA/citationhttps://idslme.r-universe.dev/IDSL.SUFA/citation.txthttps://idslme.r-universe.dev/IDSL.SUFA/citation.cff