1. Baker, D., Balstad, R., Bodeau, J.M., Cameron, E., Fennell, J.F., Fisher, G.M., et al. (2011). Severe space weather events: Understanding societal and economic impacts. Washington, DC: National Academies Press. Retrieved from
http://lasp.colorado.edu/home/wp-content/uploads/2011/07/lowres-Severe-Space-Weather-FINAL.pdf
.
2. Bouchon, S. (2006). The vulnerability of interdependent critical infrastructures systems: Epistemological and conceptual state-of-the-art (No. EUR 22205 EN). Ispra, Italy: Institute for the Protection and Security of the Citizen, European Commission Joint Research Center. Retrieved from
https://publications.europa.eu/en/publication-detail/-/publication/e3c8da0d-9d5a-408d-a098-38f6b624508d/language-en
.
3. Butt, Y. M. (2010, Feb 1). The EMP threat: fact, fiction and response (part 1). The Space Review. Retrieved from
http://www.thespacereview.com/article/1549/1
.
4. Calida, B. Y., & Katina, P. F. (2012). Regional industries as critical infrastructures: A tale of two modern cities. International Journal of Critical Infrastructures, 8(1), 74–90.
https://doi.org/10.1504/IJCIS.2012.046555
.
5. Cannon, P. (2013). Extreme space weather: Impacts on engineered systems and infrastructure. Londaon: Royal Academy of Engineering. Retrieved from
https://www.raeng.org.uk/publications/reports/space-weather-full-report
.