Resisted Assisted Methods of sprint Dvelopment

Waht are the better methods for improvening Sprint(2-35 mt)in athlete?Knowing sites/articles on this topic?

Check out the following site:
http://www.charliefrancis.com/community

Seriously, Davids, this site has a lot of great resources and if you need help finding something specific asking will probably work but that question is a bit general.

Go to www.Faccioni.com check in the publications heading bits and bobs to print at your fingertips! R.e. this subject as well.