@article {67,
	title = {Om humleindividernas blombes{\"o}k (Flower visits of bumblebee individuals (Bombus: Hymenoptera, Apidae))},
	journal = {Entomologisk tidskrift},
	volume = {100},
	year = {1979},
	pages = {165-167},
	keywords = {Aculeata, Apidae, Bombus},
	author = {Ter{\"a}s, I.}
}
@article {65,
	title = {Kimalainen, kirjeenkantaja (Pollinators in a changing environment)},
	journal = {Suomen Luonto},
	volume = {38},
	year = {1979},
	pages = {170-175, 191},
	keywords = {Aculeata, Apidae, Bombus},
	author = {Ter{\"a}s, I.}
}
