@techreport{Guesgen89RectangleAlgebra,
	title = {{S}patial {R}easoning {B}ased on {A}llen's {T}emporal {L}ogic},
	author = {Hans Werner Guesgen},
	institution = {International Computer Science Institute},
	year = {1989},
	biburl = {http://www.bibsonomy.org/bibtex/2bf876f855e890b46e73814502dd56312/zeno},
	optnumber = {TR-89-049}, optaddress = {1947 Center St, Suite 600, Berkeley, CA},
	keywords = {1989 allen qualitative-reasoning spatial temporal }
}