@book {1101,
	title = {Systema natur{\ae} per regna tria natur{\ae}, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis.},
	volume = {1},
	year = {1758},
	pages = {824 pp},
	publisher = {L. Salvii},
	organization = {L. Salvii},
	edition = {10},
	address = {Holmiae [= Stockholm]},
	url = {http://www.biodiversitylibrary.org/bibliography/542},
	author = {Linnaeus, C.}
}
@article {518,
	title = {Keys to Nearctic Syrphidae (Diptera)},
	year = {1991},
	pages = {88},
	address = {unpublished keys},
	author = {Thompson, F. C.}
}
