@article {booth2002unequal,
	title = {Unequal sampling for Monte Carlo EM algorithms},
	journal = {Computational Statistics and Data Analysis},
	volume = {39},
	number = {3},
	year = {2002},
	pages = {261{\textendash}270},
	publisher = {Elsevier},
	author = {Booth, J and Caffo, B}
}
