@book {359,
	title = {Collins Butterfly Guide},
	year = {2008},
	pages = {384},
	publisher = {Collins},
	organization = {Collins},
	isbn = {978-0007242344},
	author = {Tolman, T and R Lewington}
}
@book {355,
	title = {The Millennium Atlas of Butterflies in Britain and Ireland},
	year = {2001},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	address = {Oxford},
	author = {Asher, J and Warren, M.S, and Fox, R, and Harding, P.T, and Jeffcoate, G, and Jeffcoate, S}
}
