1. Practices for sampling and testing wood fuel in the United States;Baker,1990
2. Research on combustion of wood containing nonwood materials;Baker,1991
3. Drying of wood samples in drying ovens;Björklund,1990
4. Measurements of tree fuel at eleven district heating plants in Sweden;Derler,1988
5. The suberin monomers and triterpenoids from the outer bark of Betula verrucosa Ehrh;Ekman;Holzforschung,1983