@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.}
}
