@inbook {448,
	title = {Ecosystem-level prospects of forestry-induced changes in the distribution patterns of keystone ant species},
	booktitle = {Gustafson, L., Weslien, J.-O., Palm{\'e}r, C. H. \& Sennerby-Forsse, L. (eds.), Biodiversity in managed forests {\textendash} concepts and solutions, Sweden 1997. Skog forsk, The Forestry Research Institute of Sweden, Report No. 1},
	year = {1998},
	pages = {61-62},
	keywords = {Aculeata, Formicidae},
	author = {Punttila, P.}
}
@inbook {447,
	title = {Muurahaiset},
	booktitle = {Lokki, J. \& Heli{\"o}vaara K. (eds.). Suomen luonto. El{\"a}imet. Selk{\"a}rangattomat},
	year = {1998},
	pages = {190-191},
	keywords = {Aculeata, Formicidae},
	author = {Punttila, P.}
}
