@article {1838,
	title = { Tv{\"a}ne f{\"o}r finska faunan nya bladsteklar. Trichiosoma betuleti Kl. och Strongylogaster maculata Kl.},
	journal = {Meddel. Soc. Fauna Flora Fenn.},
	volume = {30},
	year = {1904},
	pages = {63},
	author = {Forsius, R.}
}
@article {1621,
	title = {Zur Kenntnis der Parasiten der Trichopteren.},
	journal = {Z. Wiss. Insektenbiol.},
	volume = {2},
	year = {1904},
	pages = {382-386},
	author = {Siltala, A. and Nielsen, J. C.}
}
@article {1231,
	title = {Suomen myrkkypisti{\"a}iset. Hymenoptera aculeata I. Muurahaiset, Heterogyna},
	journal = {Vanamon kirjasia},
	volume = {2},
	year = {1904},
	pages = {1-24 (LY 8: 145-160, 217-224)},
	author = {Wellenius, O.}
}
@article {1230,
	title = {Ett meddelande om Tomognathus sublaevis Nyl.},
	journal = {Meddel. Soc. Fauna Flora Fennica},
	volume = {29},
	year = {1904},
	pages = {70-72},
	author = {Wellenius, O.}
}
@article {1229,
	title = { F{\"o}r Finland nya eller s{\"a}llsynta myror},
	journal = {Meddel. Soc. Fauna Flora Fennica},
	volume = {29},
	year = {1904},
	pages = {124},
	author = {Wellenius, O.}
}
