1. LCA of building frame structures;Björklund,1997
2. Greenhouse gas balances in building construction: wood vs. concrete from life-cycle and forest land-use perspectives;Börjesson;Energy Policy,2000
3. Guidelines for Life-Cycle Assessment. A ‘Code of Practice’,1993
4. ECON (1995). Effects on climate change from increased use of wood (Klimamessige virkninger av økt bruk av trevirke). Oslo, Norway. In Norwegian
5. LCA of Railway Sleepers-a Comparative Life Cycle Analysis of Sleepers in Concrete and Wood (LCA av sliprar-en jamförande livscykelanalys av betong- og träsliper);Engberg,1998