https://yzhou1999.r-universe.dev/GTEshttps://yzhou1999.r-universe.dev/api/packages/GTEshttps://yzhou1999.r-universe.dev/GTEs/GTEs.pdfhttps://yzhou1999.r-universe.dev/GTEs/doc/manual.htmlhttps://yzhou1999.r-universe.dev/GTEs/citationhttps://yzhou1999.r-universe.dev/GTEs/citation.txthttps://yzhou1999.r-universe.dev/GTEs/citation.cff