@article {27,
	title = {The external features of the early stages of <em>Spathiophora hydromyzina</em> (Fall.) (Dipt., Cordyluridae).},
	journal = {Proceedings of the Royal entomological Society of London (B)},
	volume = {8},
	year = {1939},
	month = {1939},
	pages = {57-162},
	author = {Graham, J.F.}
}
@article {37,
	title = {Materials for a study in animal competition. The fauna of sewage bacteria beds.},
	journal = {Annales of applied Biology},
	volume = {27},
	year = {1940},
	month = {1940},
	pages = {122-150},
	author = {Lloyd, L.L. and Graham, J.F. and Reynoldson, T.B.}
}
