https://saviviro.r-universe.dev/sstvarshttps://saviviro.r-universe.dev/api/packages/sstvarshttps://saviviro.r-universe.dev/sstvars/sstvars.pdfhttps://saviviro.r-universe.dev/sstvars/doc/manual.htmlhttps://saviviro.r-universe.dev/sstvars/NEWShttps://saviviro.r-universe.dev/sstvars/NEWS.txthttps://saviviro.r-universe.dev/sstvars/citationhttps://saviviro.r-universe.dev/sstvars/citation.txthttps://saviviro.r-universe.dev/sstvars/citation.cffhttps://saviviro.r-universe.dev/sstvars/doc/sstvars-vignette.Rnwhttps://saviviro.r-universe.dev/articles/sstvars/sstvars-vignette.pdf