@article {699,
	title = {Katalog {\"o}ver svenska Chalcidoidea},
	journal = {Entomologisk Tidskrift},
	volume = {124},
	number = {1-Feb},
	year = {2003},
	pages = {73-133},
	author = {Hedqvist, K.-J.}
}
@article {461,
	title = {Biological control of the glasshouse whitefly ( Trialeurodes vaporariorum ). Brief history and future prospects},
	journal = {Entomologisk Tidskrift},
	volume = {100},
	number = {1},
	year = {1979},
	month = {10-Apr-79},
	pages = {1-Oct},
	author = {Ekbom, B.S.}
}
@article {462,
	title = {The aggregation index - what has it to do with ecology?},
	journal = {Entomologisk Tidskrift},
	volume = {100},
	number = {3-Apr},
	year = {1979},
	month = {10-Dec-79},
	pages = {155-158},
	author = {Ekbom, B.S.}
}
