TY  - RPRT
TI  - Self-organizing maps for compositional data: coal combustion products of a Wyoming power plant
AU  - Josep M. Martin-Fernandez
AU  - Mark A. Engle
AU  - Leslie F. Ruppert
AU  - Ricardo A. Olea
PY  - 2019
DO  - 10.1007/s00477-019-01659-1
UR  - https://pubs.usgs.gov/publication/70203013
ID  - 70203013
ER  -