Paper  bibtex   

@article{hartmannPilzbefallSpeierlingUnd2002,
  title = {Zum {{Pilzbefall}} an {{Speierling}} Und {{Elsbeere}}},
  author = {Hartmann, G.},
  date = {2002-05},
  journaltitle = {Corminaria},
  volume = {17},
  pages = {24--25},
  url = {http://www.corminaria.de/download/corminaria/Corminaria_Nr17.pdf},
  keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-13513488,forest-pests,fungal-diseases,sorbus-torminalis}
}