TY  - RPRT
TI  - Characterizing coal beds in western Kentucky with the Al-La-Sc coherent triad
AU  - L.L. Chyi
AU  - J.H. Medlin
PY  - 1996
DO  - 10.1016/0166-5162(95)00054-2
UR  - https://pubs.usgs.gov/publication/70019097
ID  - 70019097
ER  -