1. Trends in forest products 1961–2003,2005
2. Conventional fuel displacement by residential wood use;Warsco;For Prod J,1994
3. Wood fuel resources and bottlenecks of utilization in Baltic and Nordic countries;Röser,2003
4. Statistical yearbook of forestry 2007,2007
5. Energy statistics for one- and two-dwelling buildings in 2006,2007