Damien Duff Hans W. Guesgen An Evaluation of Buffering Algorithms in Fuzzy GISs. 80-92 2002 conf/giscience/2002 GIScience http://link.springer.de/link/service/series/0558/bibs/2478/24780080.htm db/conf/giscience/giscience2002.html#DuffG02