TY  - RPRT
TI  - A method for detecting subgroups in a population and specifying their membership.
AU  - J A GENGERELLI
PY  - 1963
DO  - 10.1080/00223980.1963.9916640
UR  - https://pubmed.ncbi.nlm.nih.gov/13947144/
ID  - 13947144
ER  -