@article {Gelfand2003JASA,
	title = {{Spatial Modeling With Spatially Varying Coefficient Processes}},
	journal = {Journal of the American Statistical Association},
	volume = {98},
	number = {462},
	year = {2003},
	pages = {387-396},
	author = {Gelfand, A. E. and Kim, H-J. and Sirmans, C. F. and and Banerjee, S.}
}