@article {bornn2012modeling,
	title = {Modeling nonstationary processes through dimension expansion},
	journal = {Journal of the American Statistical Association},
	volume = {107},
	number = {497},
	year = {2012},
	pages = {281{\textendash}289},
	publisher = {Taylor and Francis},
	author = {Bornn, Luke and Shaddick, Gavin and Zidek, James V.}
}
