1. Bakker, Sjoerd, Pieter Leguijt, and Harro van Lente. 2015. “Niche Accumulation and Standardization—The Case of Electric Vehicle Recharging Plugs.” Journal of Cleaner Production 94 (May): 155–64.
2. Basalla, George. 1967. “The Spread of Western Science.” Science 156: 611–22.
3. Central Intelligence Agency. 2012. “The World Factbook — Central Intelligence Agency.” Central Intelligence Agency Library, The World Factbook. https://www.cia.gov/library/publications/the-world-factbook/ .
4. Commander, Simon, Mari Kangasniemi, and L. Alan Winters. 2004. “The Brain Drain: Curse or Boon? A Survey of the Literature.” In Challenges to Globalization: Analyzing the Economics, edited by Robert E. Baldwin and L. Alan Winters, 235–78. Chicago: University of Chicago Press.
5. Englander, Karen. 2014. “The Rise of English as the Language of Science.” In Writing and Publishing Science Research Papers in English, edited by Karen Englander, 3–4. Dordrecht: Springer Netherlands. http://link.springer.com/10.1007/978-94-007-7714-9_1 .