Feng, Y., Sardei, F., Grigull, P., McCormick, K., Kisslinger, J., & Reiter, D. (2006). Physics of Island Divertor Plasmas in Stellarators. Contributions to Plasma Physics, 46, 504-514. Retrieved from http://www3.interscience.wiley.com/cgi-bin/fulltext/112770612/PDFSTART.