@article{249,
  keywords = {Ecology and Environment, Botany},
  author = {Preston Christopher D.},
  title = {The aquatic plants of the River Cam and its riparian commons, Cambridge, 1660-1999},
  year = {2008},
  journal = {Nature in Cambridgeshire},
  volume = {50},
  pages = {18-37},
  month = {2008},
  isbn = {0466-6046},
  url = {http://web.anglia.ac.uk/appsci/lifesci/nic/volumes/vol-50.htm},
  language = {eng},
}