@book{64,
  keywords = {Atlas},
  author = {Edwards Robin and Roy Helen E.},
  title = {Provisional atlas of the aculeate Hymenoptera of the British Isles, Part 7},
  year = {2009},
  month = {2009},
  publisher = {Centre for Ecology and Hydrology},
  address = {Wallingford},
  isbn = {9781906698140},
  language = {eng},
}