@article{DeltshevLazarovNaumovaetal.2012,
  author    = {Christo Deltshev and Stoyan Lazarov and Maria Naumova and Pavel Stoev},
  title     = {A survey of spiders (Araneae) inhabiting the euedaphic soil stratum and the superficial underground compartment in Bulgaria},
  journal   = {Arachnologische Mitteilungen},
  volume    = {2011},
  number    = {40},
  pages     = {33 -- 46},
  doi       = {10.5431/aramit4005},
  year      = {2012},
}