@inbook{7400,
  author = {Karel Hucht and Peter Conti and A. Willis},
  title = {The Iron Curtain of WC9 Stars},
  year = {1982},
  volume = {99},
  number = {International Astronomical Union/Union Astronomique Internationale},
  pages = {277-281},
  publisher = {Springer Netherlands},
  address = {Dordrecht},
  isbn = {978-90-277-1470-1},
  doi = {10.1007/978-94-009-7910-9_36},
}