Julien Basch Leonidas J. Guibas G. D. Ramkumar Reporting Red - Blue Intersections between Two Sets of Connected Line Segments. 1-20 2003 35 Algorithmica 1 http://link.springer.de/link/service/journals/00453/contents/02/0967/index.html db/journals/algorithmica/algorithmica35.html#BaschGR03