#Net::HTTP: Bad hostname 'math.tulane.edu'
http://math.tulane.edu/~entcs/
# not found
ftp://tug.ctan.org/pub/tex-archive/macros/latex/contrib/koma-script/scrguien.pdf
ftp://tug.ctan.org/pub/tex-archive/macros/latex/contrib/koma-script/scrguide.pdf