@article {haitovsky1986approximating,
	title = {Approximating hierarchical normal priors using a vague component},
	journal = {Journal of multivariate analysis},
	volume = {19},
	number = {1},
	year = {1986},
	pages = {48{\textendash}66},
	publisher = {Elsevier},
	author = {Haitovsky, Yoel and Zidek, James V}
}
