@book{88,
  keywords = {RDB},
  author = {Perring Franklyn H. and Farrell Lynne},
  title = {British Red Data Book, volume 1: Vascular Plants},
  year = {1983},
  edition = {2},
  month = {1983},
  publisher = {Royal Society for the Conservation of Nature},
  address = {Lincoln},
  language = {eng},
}