TY  - RPRT
TI  - Paper coal in Indiana
AU  - G.K. Guennel
AU  - R.C. Neavel
PY  - 1959
DO  - 10.1126/science.129.3364.1671
UR  - https://pubs.usgs.gov/publication/70010732
ID  - 70010732
ER  -