TY  - RPRT
TI  - Free-radical concentrations and other properties of pile-irradiated coals
AU  - R.A. Friedel
AU  - Irving A. Breger
PY  - 1959
DO  - 10.1126/science.130.3391.1762
UR  - https://pubs.usgs.gov/publication/70010752
ID  - 70010752
ER  -