@article {634,
	title = {The Flea.},
	journal = {Cambridge University Press.},
	year = {1913},
	pages = {406},
	author = {Russell, H.}
}
@article {61,
	title = {Typical flies.  A photographic atlas of Diptera, including Aphaniptera.},
	journal = {Cambridge University Press.},
	year = {1915},
	pages = {342},
	author = {Pearce, E. K.}
}
