@inbook{4355,
  author = {W.-R. Hamann and U. Wessolowski and Werner Schmutz and E. Schwarz and G. Dunnebeil and L. Koesterke and E. Baum and U. Leuenhagen},
  title = {Analyses of Wolf-Rayet Stars},
  year = {1990},
  volume = {3},
  number = {Reviews in Modern Astronomy},
  pages = {174-186},
  publisher = {Springer Berlin Heidelberg},
  address = {Berlin, Heidelberg},
  issn = {0941-1445},
  isbn = {978-3-642-76240-6},
  doi = {10.1007/978-3-642-76238-3_13},
}