@article{Bujak:2013,
  author  = "H. Bujak and A. Jurkowski",
  title   = "Estimation of winter rye (Secale cereale L.) susceptibility to infection by powdery mildew (Blumeria graminis F. sp. secalis)",
  journal = "Acta Agrobotanica",
  volume  = "Vol. 66",
  number  = "no. 3",
  pages   = "49--54",
  year    = "2013",
}