1. [1] J.R. Powell and G.R. Danby, ASME Winter Annual Meeting, 66-WA/RR-5, 1966.
2. [2] https://www.bnl.gov/newsroom/news.php?a=11820
3. [3] https://www.bnl.gov/video/index.php?v=514
4. [4] http://www.railwaygazette.com/news/single-view/view/incheon-airport-maglev-starts-passenger-services.html
5. [5] http://www.scmp.com/news/china/society/article/1941693/china-starts-trial-run-first-home-designed-and-built-maglev-rail