@article{Drgas-Burchardt:2009,
  author  = "E. Drgas-Burchardt",
  title   = "Cardinality of a minimal forbidden graph family for reducible additive hereditary graph properties",
  journal = "Discussiones Mathematicae : Graph Theory",
  volume  = "Vol. 29",
  number  = "no 2",
  pages   = "263--274",
  year    = "2009",
}