TY  - RPRT
TI  - Statistical assessment of population variability: a methodological approach.
AU  - P J Key
AU  - R L Jantz
PY  - 1990
DO  - 10.1002/ajpa.1330820107
UR  - https://pubmed.ncbi.nlm.nih.gov/2349971/
ID  - 2349971
ER  -