@book{100,
  keywords = {Atlas},
  author = {Seaward M.R.D.},
  title = {Lichen atlas of the British Isles, fascicles 1-6.},
  year = {1995},
  month = {1995-2001},
  publisher = {London: British Lichen Society},
  address = {London},
  language = {eng},
}