1. [1] The EHT Collaboration, “First M87 event horizon telescope results. IV. Imaging the central supermassive black hole,” Astrophys. J. Lett., vol.875, no.1, pp.1-52, 2019.
2. [2] World Health Organization, “Coronavirus disease (COVID-19) pandemic,” https://www.who.int/emergencies/diseases/novel-coronavirus-2019
3. [3] “The COVID-19 high performance computing consortium,” https://covid19-hpc-consortium.org/
4. [4] World Health Organization, “Commitment and call to action: Global collaboration to accelerate new COVID-19 health technologies,” https://www.who.int/news-room/detail/24-04-2020-commitment-and-call-to-action-global-collaboration-to-accelerate-new-covid-19-health-technologies
5. [5] M. Gupta and S. Singh, “Greening of the Internet,” Conf. Appl., Technol., Archit., Protocols Comput. Commun., 2003. 10.1145/863955.863959