@book {713,
	title = {Atlas of the British Flora. Botanical Society of the British Isles},
	year = {1976},
	publisher = {EP Publishing},
	organization = {EP Publishing},
	edition = {2nd},
	address = {Wakefield},
	author = {Perring, F.H. and Walters, S.M. (Eds)}
}
@article {690,
	title = {The British Oak},
	year = {1974},
	publisher = {Botanical Society of the British Isles.},
	author = {Morris, M.G. and Perring, F.H.}
}
