TY  - RPRT
TI  - Precision of circular systematic sampling.
AU  - L M Cruz-Orive
AU  - X Gual-Arnau
PY  - 2002
DO  - 10.1046/j.1365-2818.2002.01057.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12230491/
ID  - 12230491
ER  -