1. Statistical Analysis with Missing Data;Little,1987
2. Analysis of Incomplete Multivariate Data;Schafer,1997
3. A general class of estimator with auxiliary information based on available units;Rueda;Appl. Math. Comput.,2006
4. Estimating totals and distribution functions using auxiliary information at the estimation stage;Rao;J. Official Statist.,1994
5. Missing data and auxiliary information in surveys;Rueda;Comput. Statist.,2004