<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>47</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">G Psycharis</style></author><author><style face="normal" font="default" size="100%">C Kynigos</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Exploring angle through geometrical constructions in a simulated 3D space</style></title><secondary-title><style face="normal" font="default" size="100%">Eleventh International Congress on Mathematical Instruction (ICMI 11), Topic Study Group 22: “New Technologies in the Teaching and Learning of Mathematics”</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2008</style></year></dates><pub-location><style face="normal" font="default" size="100%">Monterrey, Mexico</style></pub-location><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>