TY  - RPRT
TI  - Low-rank coal formation in Poland and the United States: I. Zitau Basin, Poland
AU  - J.R. Kasinski
AU  - R. B. Finkelman
AU  - M. Piwocki
AU  - R.W. Stanton
AU  - Peter D. Warwick
PY  - 1997
UR  - https://pubs.usgs.gov/publication/70195526
ID  - 70195526
ER  -