@article{Boratyński:2010,
  author  = "A. Boratyński and K. Marcysiak and A. Lewandowska and A. Jasińska and G. Iszkuło",
  title   = "Interrelations among con-generic and co-occurring tree species: asymmetric hybridization and the high success of Quercus petraea (Matt.) Liebl. regeneration in mixed Q. petraea/Q. robur L. stands",
  journal = "Polish Journal of Ecology",
  volume  = "Vol. 58",
  number  = "no 2",
  pages   = "273--283",
  year    = "2010",
}