@book{WillFree2002,
	title = {Free as in freedom},
	address = {Beijing [u.a.]},
	author = {Sam Williams},
	edition = {1. ed.},
	publisher = {O'Reilly},
	year = {2002},
	biburl = {http://www.bibsonomy.org/bibtex/2a598fd44f0b281d49524766604f5031e/flimm},
	description = {KUG Recherche-Portal},
	ISBN = {0-596-00287-4},
	keywords = {gnu oss }
}