@techreport{Ahn2003,
author = {Ahn, S. and Fessler, A.},
title= {Standard Errors of Mean, Variance, and Standard Deviation Estimators},
year = {2003},
URL = {http://www.eecs.umich.edu/~fessler/papers/lists/files/tr/stderr.pdf},
publisher = {EECS Department, University of Michigan},
address = {Ann Arbor, MI, USA},
institution = {Technical Report},
}