Mirrors:

http://filespace.com/p22lnbzrf8av/nat1.part1.rar.html
http://filespace.com/12ywwcf63n5v/nat1.part2.rar.html
http://filespace.com/bzwox3bcmeo3/nat1.part3.rar.html
http://filespace.com/hfnoit09ef9f/nat1.zip.html