1. The population census;Benjamin,1970
2. Representing data quality;Buttenfield;Cartographica,1993
3. Parameterization and visualisation of the errors in areal interpolation;Cockings;Geographical Analysis,1997
4. Dealing with census geography: principles, practices and possibilities;Coombes,1995
5. Maximum likelihood from incomplete data via the EM algorithm;Dempster;Journal of the Royal Statistical Society B,1977