@inbook{8607,
  author = {J.-P. Caillault and D. Helfand and J. Nousek and L. Takalo},
  title = {X-ray selected M-dwarfs and the diffuse X-ray background},
  year = {1986},
  volume = {254},
  number = {Lecture Notes in Physics},
  pages = {100-102},
  publisher = {Springer Berlin Heidelberg},
  address = {Berlin, Heidelberg},
  isbn = {978-3-540-16763-1},
  doi = {10.1007/3-540-16763-3_148},
}