@book {457,
	title = {Field Guide to the Bees of Great Britain and Ireland},
	year = {2015},
	pages = {336},
	publisher = {British Wildlife Publishing},
	organization = {British Wildlife Publishing},
	isbn = {978-1910389034},
	author = {Falk, S and R Lewington}
}
@book {359,
	title = {Collins Butterfly Guide},
	year = {2008},
	pages = {384},
	publisher = {Collins},
	organization = {Collins},
	isbn = {978-0007242344},
	author = {Tolman, T and R Lewington}
}
