@techreport{US Census Bureau2012,
author = {US Census Bureau},
title= {American Community Survey (ACS), PUMS Accuracy of the Data (2012)},
year = {2012},
URL = {https://www2.census.gov/programs-surveys/acs/tech_docs/pums/accuracy/2012AccuracyPUMS.pdf},
publisher = {US Census Bureau},
address = {Washington, D.C.},
}