TY  - RPRT
TI  - Controls on boron and germanium distribution in the low-sulfur Amos coal bed, Western Kentucky coalfield, USA
AU  - J.C. Hower
AU  - L.F. Ruppert
AU  - D.A. Williams
PY  - 2002
DO  - 10.1016/s0166-5162(02)00151-9
UR  - https://pubs.usgs.gov/publication/70023797
ID  - 70023797
ER  -