@inbook {1219,
	title = {The structure of urban ant communities along a geographical gradient from North Finland to Poland},
	booktitle = {Teoksessa: Luniak, M. \& Pisarski, B. (toim.), Animals in urban environment: 155-168.},
	year = {1982},
	author = {Veps{\"a}l{\"a}inen, K. and Pisarski, B.}
}
