Plücker Coordinates for the rest of us
November 2001 - Lionel Brits
This article gives a good description of what Plücker Coordinates are and what they are good for. I short the coordinates are a way to describe orientation of lines, which can be used to for example check for ray-polygon intersection. Since plücker coordinates are 6D though, it might not be so effective as the equations may lead you to believe.
Fast Aproximate Distance Functions
June 2003 - Rafael Baptista
World of Mathematics