TY - RPRT TI - Studies of angiospermous woods in Australian brown coal by nuclear magnetic resonance and analytical pyrolysis: new insight into early coalification AU - Patrick G. Hatcher AU - M. A. Wilson AU - M. Vassalo AU - H. E. Lerch PY - 1990 DO - 10.1016/0166-5162(89)90091-8 UR - https://pubs.usgs.gov/publication/70015762 ID - 70015762 ER -