TY  - RPRT
TI  - Self-organizing maps: ordering, convergence properties and energy functions.
AU  - E Erwin
AU  - K Obermayer
AU  - K Schulten
PY  - 1992
DO  - 10.1007/bf00201801
UR  - https://pubmed.ncbi.nlm.nih.gov/1606243/
ID  - 1606243
ER  -