https://jiahuixu1.r-universe.dev/htetreehttps://jiahuixu1.r-universe.dev/api/packages/htetreehttps://jiahuixu1.r-universe.dev/htetree/htetree.pdfhttps://jiahuixu1.r-universe.dev/htetree/doc/manual.htmlhttps://jiahuixu1.r-universe.dev/htetree/citationhttps://jiahuixu1.r-universe.dev/htetree/citation.txthttps://jiahuixu1.r-universe.dev/htetree/citation.cff