Biomass for energy, industry, and environment : 6th E.C. Conference / edited by G. Grassi, A. Collina, H. Zibetta. E.C. Conference (6th : 1991 : Athens, Greece) Grassi, G., 1929- Collina, A. Zibetta, H. Biomass energy Congresses. TP360 .E19 1991 338.9 20 UNI Conference held in Athens, Greece, April 22-26, 1991. Includes bibliographical references and indexes. London ; New York : Elsevier Applied Science ; New York, NY, USA : Sole distributor in the USA and Canada, Elsevier Science Pub. Co., c1992. c1992. 1992 Text xxxiv, 1430 p. : http://www.loc.gov/catdir/enhancements/fy0653/91038833-d.html eng