@techreport{Feeney2014,
author = {Feeney, G. },
title= {The population census as a time machine},
year = {2014},
URL = {http://gfeeney.com/dsitl/04-population-census-as-time-machine/population-census-as-time-machine.pdf
%[last accessed 25 February 2014},
institution = {Demography – Statistics – Information Technology Letter, Number 4, 15 January 2014},
}