TY  - RPRT
TI  - Design-based counting techniques: the real problems.
AU  - C Schmitz
AU  - H Korr
AU  - H Heinsen
PY  - 1999
DO  - 10.1016/s0166-2236(99)01418-6
UR  - https://pubmed.ncbi.nlm.nih.gov/10407447/
ID  - 10407447
ER  -