@conference {gu2011valencia,
	title = {Comment on {\textquoteleft}Transparent parameterizations of models for potential outcomes,{\textquoteright} by Richardson, Evans, and Robins},
	booktitle = {Bayesian Statistics 9: Proceedings of the Ninth Valencia International Meeting},
	year = {2011},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	author = {Gustafson, P.},
	editor = {Bernardo, J. M. and Bayarri, M. J. and Berger, J. O. and Dawid, A. P. and Heckerman, D. and Smith, A. F. M. and West, M.}
}
