@article {Gustafson2006,
	title = {Conservative prior distributions for variance parameters in hierarchical models},
	journal = {Canadian Journal of Statistics},
	volume = {34},
	number = {3},
	year = {2006},
	pages = {377{\textendash}390},
	publisher = {Wiley Online Library},
	doi = {10.1002/cjs.5550340302},
	author = {Gustafson, Paul and Hossain, Shahadut and MacNab, Ying C}
}
