?url_ver=Z39.88-2004&rft_id=MTMT%3A2036309&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=+Kalm%C3%A1r+Imre&rft.aufirst=Imre&rft.aulast=Kalm%C3%A1r&rft.title=Renewable+energy+from+biomass+in+frame+of+a+pilot+project+in+Hungary&rft.isbn=9788024817750&rft.date=2008&rft.btitle=12th+Conference+on+Environment+and+Mineral+Processing&rft.tpages=5&rft.genre=bookitem