@article {1062,
	title = {Evolution of colony characteristics in social insects. II. Number of reproducing individuals},
	journal = {American Naturalist},
	volume = {138},
	year = {1991},
	pages = { 412-433},
	author = {Pamilo, P.}
}
@article {1061,
	title = { Evolution of colony characters in social insects. I. Sex allocation},
	journal = {American Naturalist},
	volume = {137},
	year = {1991},
	pages = {83-107},
	author = {Pamilo, P.}
}
@article {1046,
	title = {Genetic evolution of sex ratios in eusocial Hymenoptera: allele frequency simulations},
	journal = {American Naturalist},
	volume = {119},
	year = {1982},
	pages = {638-656},
	author = {Pamilo, P.}
}
