Jeffries, R., Jewell, S., Barstow, M., Bromage, G., Hodgkin, S., Mason, K., …Sidher, S. (1991). EUV emission from a sample of late-type stars observed by the ROSAT wide field camera. Vistas in Astronomy, 34(P2), 267-276. https://doi.org/10.1016/0083-6656%2891%2990006-E