@article {904,
	title = {Development of alary muscles in single- and multiple-queen populations of the wood ant Formica truncorum},
	journal = {Ann. Zool. Fennici},
	volume = {42},
	year = {2005},
	pages = {225-234},
	author = {Johnson, C. A. and Sundstr{\"o}m, L. and Billen, J.}
}
@article {903,
	title = {Cuticular chemistry oft wo social forms in a facultatively polygyne ant (Hymenoptera: Formicidae: Formica truncorum). },
	journal = {Ann. Zool. Fennici},
	volume = {49},
	year = {2012},
	pages = {1-17},
	author = {Johnson, C. A. and Sundstr{\"o}m, L.}
}
