<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Franklin, W. R.</style></author><author><style face="normal" font="default" size="100%">Ray, C. K.</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Waugh, T. C.</style></author><author><style face="normal" font="default" size="100%">Healey, R. G.</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Higher isn't necessarily better: Visibility algorithms and Experiments</style></title><secondary-title><style face="normal" font="default" size="100%">Advances in {GIS} Research: Sixth International Symposium on Spatial Data Handling</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1994</style></year></dates><publisher><style face="normal" font="default" size="100%">Taylor &amp; Francis</style></publisher><pub-location><style face="normal" font="default" size="100%">Edinburgh</style></pub-location><pages><style face="normal" font="default" size="100%">751- 770</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>