@article {1151,
	title = {Chromosome numbers in the genus Formica with special reference to the taxonomical position of Formica uralensis Ruzsk. and Formica truncorum Fabr.},
	journal = {Hereditas},
	volume = {92},
	year = {1980},
	pages = {321-325},
	author = {Rosengren, M. and Rosengren, R. and S{\"o}derlund, V.}
}
