TY - BOOK AU - x, x AU - Bridgwater,A.V.and Grassi,G. TI - Biomass pyrolysis liquids upgrading and utilisation: x SN - 185166565X U1 - 662.88/B615 PY - 1991/// CY - London ; New York PB - Elsevier Science KW - Biomass chemicals N1 - Index ER -