i cannot find this file for reuse function in en2004 ,anyone can get me this

i cannot find this file in en2004 ,anyone can get me this file?

$MGC_HOME/shared/pkgs/reusetut/reuse_nt_readme.txt

$MGC_HOME/shared/pkgs/reusetut/reusetut.tar.Z

for reuse function

So do I. I also can not find the files you mentioned even I used serch function to try to find the files you need.