1. Oasmaa, A.; Peacocke, C.A Guide to Physical Property Characterisation ofBiomass-Derived Fast Pyrolysis Liquids; VTT Publication 450; VTT: Espoo, Finland, 2001; 65 pp + app. (34 pp).
2. Oasmaa, A.; Leppämäki, E.; Koponen, P.; Levander, J.; Tapola, E.PhysicalCharacterisation of Biomass-Based Pyrolysis Liquids. Application ofStandard Fuel Oil Analyses. VTT Publication 306; VTT: Espoo, Finland, 1997; 46 pp + app. (30 pp).