<?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%">Costa, J.P.</style></author><author><style face="normal" font="default" size="100%">Wehbe, R.R.</style></author><author><style face="normal" font="default" size="100%">Robb, J.</style></author><author><style face="normal" font="default" size="100%">Nacke, L.E.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">ACM International Conference Proceeding Series</style></title><secondary-title><style face="normal" font="default" size="100%">Time's up: Studying leaderboards for engaging punctual behaviour</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.scopus.com/inward/record.url?eid=2-s2.0-84905507404&amp;partnerID=MN8TOARS</style></url></web-urls></urls><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>