Steven Rudich's lecture slides on the topic are pretty great, and how I was first introduced to the topic: http://www.cs.cmu.edu/afs/cs/academic/class/15251-s04

Steven Rudich's lecture slides on the topic are pretty great, and how I was first introduced to the topic: http://www.cs.cmu.edu/afs/cs/academic/class/15251-s04/Site/Materials/Lectures/Lecture25/lecture25.html http://www.cs.cmu.edu/afs/cs/academic/class/15251-s04/Site/M... Not sure if the lecture itself is available anywhere.