@manual{cgal:AK,
	author = {Eric Berberich and Michael Hemmer and Michael Kerber and Sylvain Lazard and Luis Penaranda and Monique Teillaud},
	ibrauthors = {hemmer},
	ibrgroups = {alg},
	month = oct,
	organization = {CGAL},
	title = {Algebraic Kernel, {CGAL} - {C}omputational {G}eometry {A}lgorithms {L}ibrary, release 3.7-4.1},
	url = {http://www.cgal.org/Manual/latest/doc_html/cgal_manual/contents.html},
	year = {2010}
}