@book {44161,
	title = {Instructions for collecting bird ectoparasites},
	series = {Information Leaflet},
	volume = {477},
	year = {1967},
	month = {1967},
	pages = {12pp.},
	publisher = {Smithsonian Institution},
	organization = {Smithsonian Institution},
	address = {Washington, DC},
	url = {https://phthiraptera.myspecies.info/sites/phthiraptera.info/files/44161.pdf},
	author = {Watson,G. E. and Amerson,A. B.,Jr.}
}
