@article {van1994group,
	title = {Group-Bayes estimation of the exponential mean: A preposterior analysis},
	journal = {Test},
	volume = {3},
	number = {1},
	year = {1994},
	pages = {125{\textendash}143},
	publisher = {Springer},
	author = {van Eeden, Constance and Zidek, James V}
}
