@inbook {Cobb1919,
	title = {The orders and classes of nemas},
	booktitle = {Contributions to a Science of Nematology},
	volume = {8},
	year = {1919},
	pages = {213{\textendash}216},
	author = {Cobb, Nathan A}
}
@article {Steiner1919,
	title = {Zur {Kenntnis} der {Kinorhyncha}, nebst {Bemerkungen} {\"u}ber ihr Verwandtschaftsverh{\"a}ltnis zu den Nematoden},
	journal = {Zoologischer Anzeiger},
	volume = {50},
	number = {8},
	year = {1919},
	pages = {177{\textendash}187},
	author = {Steiner, G.}
}
