Mirrors:

http://filespace.com/jwsikvms5qnp/isapotterwagner1.part1.rar.html
http://filespace.com/5fjx04dq2ocn/isapotterwagner1.part2.rar.html
http://filespace.com/yqaupa8arj2d/isapotterwagner1.part3.rar.html
http://filespace.com/30poa8tnvsto/isapotterwagner1.zip.html