TY  - RPRT
TI  - New variance expressions for systematic sampling: the filtering approach.
AU  - Ximo Gual-Arnau
AU  - Luis M Cruz-Orive
PY  - 2006
DO  - 10.1111/j.1365-2818.2006.01537.x
UR  - https://pubmed.ncbi.nlm.nih.gov/16872421/
ID  - 16872421
ER  -