TY  - RPRT
TI  - Numerical classification for toxonomic problems.
AU  - R H Flake
AU  - B L Turner
PY  - 1968
DO  - 10.1016/0022-5193(68)90195-1
UR  - https://pubmed.ncbi.nlm.nih.gov/5727244/
ID  - 5727244
ER  -