@inbook{4409,
  author = {H. Lamers and A. Maeder and Werner Schmutz and J. Cassinelli},
  title = {The Evidence That Wolf-Rayet Stars are in a Late Stage of Evolution},
  year = {1990},
  volume = {316},
  number = {NATO ASI Series},
  pages = {349-352},
  publisher = {Springer Netherlands},
  address = {Dordrecht},
  isbn = {978-94-010-7446-9},
  doi = {10.1007/978-94-009-2105-4_41},
}