@article {61,
	title = {Bumblebee visits to different colour morphs of Lu-pinus polyphyllus},
	journal = {Entomologica Fennica},
	volume = {6},
	year = {1995},
	pages = {139-151},
	keywords = {Aculeata, Apidae, Bombus},
	author = {Pohtio, I. and Ter{\"a}s, I.}
}
