Depth-first search

Dali nekoj moze da stavi link do dobar tutorial za DFS?

bilo gde da krenes, naidjes na DFS :)..
veoma je lako naci link..
evo recimo, probaj ovaj :
http://www.topcoder.com/tc?module=Static&d1=tutorials&d2=graphsDataStrucs2#depth

Ili na primer http://www.google.com/search?q=depth+first+search&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a
:)