@article {chen2001jackknife,
	title = {Jackknife variance estimation for nearest-neighbor imputation},
	journal = {Journal of the American Statistical Association},
	volume = {96},
	number = {453},
	year = {2001},
	pages = {260{\textendash}269},
	publisher = {Taylor \& Francis},
	author = {Chen, Jiahua and Shao, Jun}
}
