@article {cadigan2011kernel,
	title = {Kernel regression estimators for non parametric model calibration in survey sampling},
	journal = {Quality control and applied statistics},
	volume = {56},
	number = {1},
	year = {2011},
	pages = {59{\textendash}60},
	publisher = {Executive Sciences Institute},
	author = {Cadigan, NG and Chen, J}
}
