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	title = {Ant-aphid interaction and territorial dynamics of wood ants},
	journal = {Memorabilia Zool.},
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	year = {1994},
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	author = {Veps{\"a}l{\"a}inen, K. and Savolainen, R.}
}
@article {1215,
	title = {Ecological effects of urbanization on the mound-building Formica L. species},
	journal = {Memorabilia Zool.},
	volume = {29},
	year = {1978},
	pages = {191-202},
	author = {Veps{\"a}l{\"a}inen, K. and Wuorenrinne, H.}
}
@article {1169,
	title = {Effect of timber felling on behavior wood ants (Formica rufa group) in early spring. },
	journal = {Memorabilia Zool.},
	volume = {29},
	year = {1978},
	pages = {143-155},
	author = {Rosengren, R. and Pamilo, P.}
}
