@article {1642,
	title = {Three aphidiids and one pteromalid parasitizing Rubus aphids. },
	journal = {Ann. Agric. Fenniae},
	volume = {2},
	year = {1963},
	pages = {103-104},
	author = {Markkula, M. and Rautap{\"a}{\"a}, J.}
}
@article {1641,
	title = {Apilan siemenkiilukainen{\textemdash}maallemme uusi tuhohy{\"o}nteinen (Bruchophagus gibbus{\textemdash}a pest new to Finland)},
	journal = {Koetoiminta ja K{\"a}yt{\"a}nt{\"o}},
	volume = {23},
	year = {1966},
	pages = {31},
	author = {Markkula, M.}
}
@article {1640,
	title = {Five parasitic Hymenoptera and two itonidid species new to Finland.},
	journal = {Annales Entomologici Fennici},
	volume = {26},
	year = {1960},
	pages = {227-228},
	author = {Markkula, M.}
}
