TY  - RPRT
TI  - Nuclear magnetic resonance studies of ancient buried wood-I. Observations on the origin of coal to the brown coal stage
AU  - Patrick G. Hatcher
AU  - Irving A. Breger
AU  - W.L. Earl
PY  - 1981
DO  - 10.1016/0146-6380(81)90013-9
UR  - https://pubs.usgs.gov/publication/70012141
ID  - 70012141
ER  -