Ovidiu Daescu Ningfang Mi Chan-Su Shin Alexander Wolff Farthest-Point Queries with Geometric and Combinatorial Constraints. 62-75 2004 conf/jcdcg/2004 JCDCG http://dx.doi.org/10.1007/11589440_7 db/conf/jcdcg/jcdcg2004.html#DaescuMSW04