@book{130,
  keywords = {Atlas},
  author = {Stubbs Alan E.},
  title = {Provisional atlas of the ptychopterid craneflies (Diptera: Ptychopteridae) of Britain and Ireland},
  year = {1993},
  month = {1993},
  publisher = {Biological Records Centre Institute of Terrestrial Ecology},
  url = {http://nora.nerc.ac.uk/7509/1/Ptychopterid_Craneflies.pdf},
  language = {eng},
}