@article {1948,
	title = {Die Chelonus-Arten Finnlands (Hym., Brac.)},
	journal = {Notulae Entomologicae},
	volume = {38},
	year = {1958},
	pages = {25{\textendash}36},
	author = {H{\'e}llen, W.}
}
@article {1512,
	title = {Zur Kenntnis der Braconiden (Hym.) Finnlands. II. Subfamilie Helconinae (Part.).},
	journal = {Fauna Fennica},
	volume = {4},
	year = {1958},
	pages = {1-37},
	author = {H{\'e}llen, W.}
}
@article {1511,
	title = {F{\"o}r Finlands fauna nya Aphelinider (Hym., Chalc.) },
	journal = {Notulae Entomologicae},
	volume = {36},
	year = {1958},
	pages = {86},
	author = {H{\'e}llen, W.}
}
@article {1510,
	title = {{\r A}tta f{\"o}r landet nya Apanteles-arter (Hym., Brac.).},
	journal = {Notulae Entomologicae},
	volume = {38},
	year = {1958},
	pages = {63},
	author = {H{\'e}llen, W.}
}
@article {1509,
	title = {Die Tersilochinen Finnlands (Hym., Ichn.).},
	journal = {Notulae Entomologicae},
	volume = {38},
	year = {1958},
	pages = {4-23},
	author = {H{\'e}llen, W.}
}
