@book {551,
	title = {Britains{\textquoteright} Hoverflies. An introduction to the hoverflies of Britain},
	year = {2015},
	pages = {212},
	publisher = {Princeton University Press},
	organization = {Princeton University Press},
	edition = {Updated Second edition},
	isbn = {069116441X},
	author = {S.G Ball and Morris, R}
}
@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}
}
