1. Komorowski, Matt (2017): A History Of Storage Cost,
http://www.mkomo.com/cost-per-gigabyte
(last access: 24.07.2017).
2. Kurzweil, R. (2005): The Singularity Is Near: When Humans Transcend Biology, New York.
3. Morlidge, S./ Player, S. (2010): Future Ready: How to Master Business Forecasting, Chichester.
4. Morlidge, S. (2015): The Little Book of Beyond Budgeting: What It Is and Why It Works, Leicester.