@inbook {1057,
	title = { Population genetics of the Formica group. {\textendash} Teoksessa: Eder, J. \& Rembold, H. (toim.), Chemistry and biology of social insects: 68-70. Verlag J. Peperny, M{\"u}nchen.},
	year = {1987},
	author = {Pamilo, P.}
}
