@article {1277,
	title = {Platypsyllus castoris Ritzema konstaterad p{\o}a svensk b{\"a}ver i V{\"a}rmland},
	journal = {ENtk},
	volume = {60},
	number = {1-feb},
	year = {1939},
	pages = {102-104.},
	author = {Wir{\'e}n, E.}
}
