@article {1241,
	title = {Honeybees as pollen and nectar collectors in red clover.},
	journal = {Annales Acad. Sci. Fenn. Ser. A, IV. Biologica},
	volume = {91},
	year = {1965},
	pages = {15 s},
	author = {Valle, O. and Bergt, K.}
}
