TY  - RPRT
TI  - Quality of Selected Hungarian Coals
AU  - E.R. Landis
AU  - T.J. Rohrbacher
AU  - H.J. Gluskoter
AU  - B. Fodor
AU  - G. Gombar
PY  - 2007
DO  - 10.3133/sir20065289
UR  - https://pubs.usgs.gov/publication/sir20065289
ID  - sir20065289
ER  -