The link to SchemeUnit is dead Vladimir Nikishkin (24 Oct 2019 03:58 UTC)
Re: The link to SchemeUnit is dead Arthur A. Gleckler (25 Oct 2019 18:59 UTC)

The link to SchemeUnit is dead Vladimir Nikishkin 24 Oct 2019 03:58 UTC
Hello

The link number [2] Noel Welsh: SchemeUnit. February 2003.
http://schematics.sourceforge.net/schemeunit.html

in the "References" section is dead.

A possible replacement might be: (the last version for Racket)
https://pkgs.racket-lang.org/package/schemeunit  OR
https://sourceforge.net/projects/schematics/files/OldFiles/