@article {gu2006jrssa,
	title = {Sample size implications when biases are modelled rather than ignored},
	journal = {Journal of the Royal Statistical Society, Series A},
	volume = {169},
	year = {2006},
	pages = {883-902},
	doi = {10.1111/j.1467-985X.2006.00436.x},
	author = {Gustafson, P.}
}
