TY  - RPRT
TI  - Chemical evolution of Miocene wood: Example from the Belchatow brown coal deposit, central Poland
AU  - A. Drobniak
AU  - Maria Mastalerz
PY  - 2006
DO  - 10.1016/j.coal.2005.06.004
UR  - https://pubs.usgs.gov/publication/70030279
ID  - 70030279
ER  -