1. Where in the world is storage: a look at byte density across the globe. www.idc.com/downloads/where_is_storage_infographic_243338.pdf . Accessed 08 June 2015.
2. CERN Data Center. http://home.web.cern.ch/about/updates/2013/02/cern-data-centre-passes-100-petabytes . Accessed 08 June 2015.
3. When the meteor and the 1PB database collide. http://www.computerworld.com/article/2532280/data-center/when-the-meteor-and-the-1pb-database-collide.html Accessed 08 June 2015.
4. NASA Near Earth Object Program. http://neo.jpl.nasa.gov/risks/doc/sentry_faq.html . Accessed 08 June 2015.
5. Moving an elephant: large scale Hadoop data migration at Facebook. https://www.facebook.com/notes/paul-yang/moving-an-elephant-large-scale-hadoop-data-migration-at-facebook/10150246275318920 . Accessed 08 June 2015.