@article {845,
	title = {Genetic population structure, queen supersedure and social polymorphism in a social Hymenoptera.},
	journal = {Journal of Evolutionary Biology},
	volume = {20},
	year = {2007},
	pages = {1351-1360},
	author = {Bargum, K. and Helanter{\"a}, H. and Sundstr{\"o}m, L.}
}
