<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2013/11/05/131105100904_india_mars_launch_464x261_afpphotondtvdoordarshan.jpg>
<http://www.bbc.com/sinhala/world/2013/12/131201_mangalyaan.shtml>