?url_ver=Z39.88-2004&rft_id=10.1061%2F(ASCE)EE.1943-7870.0001761&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.aulast=Abunowara&rft.au=Abunowara%2C+M.&rft.issn=07339372&rft.date=2020&rft.issue=8&rft.atitle=Characterization+of+Mukah-Balingian+and+Merit-Pila+Coals+before+and+after+Subcritical+CO2+Exposure+Using+Surface-Area+Techniques&rft.volume=146&rft.title=Journal+of+Environmental+Engineering+(United+States)&rft.genre=article