@article {42951,
	title = {The hatching of Insects from the egg, and the appearance of air in the tracheal system},
	journal = {Quarterly Journal of Microscopial Science},
	volume = {74},
	year = {1931},
	note = {179, 8 figs.},
	month = {1931},
	pages = {165 - 192},
	keywords = {development, egg, Haematopinus, larva, Pedicinus, Pediculus, Polyplax, Pthirus, Tracheensystem, Troester},
	url = {http://phthiraptera.info/sites/phthiraptera.info/files/42951.pdf},
	author = {Sikes,Enid K. and Wigglesworth,V. B.}
}
