< http://www.informatik.uni-bremen.de/uDrawGraph/download/uDrawGraph-3.1.1-0-freebsd-amd64.tar.gz 404 Not Found > http://www.informatik.uni-bremen.de/uDrawGraph/ ok > http://www.informatik.uni-bremen.de/~cxl/sml_tk 301 Moved Permanently - new location: http://www.informatik.uni-bremen.de/~cxl/sml_tk/ - ok > http://www.informatik.uni-bremen.de/~cxl/sml_tk/smltk.tar.gz ok