1. Life of fuels—motor fuels from source to end use,1992
2. Transportation fuels from Swedish biomass—environmental and cost aspects;Johansson;Transportation Research Part D: Transport and Environment,1996
3. LCA av biogas—miljöbelastningsprofiler för produktion av biogas för fordonsdrift [Life cycle inventory of biogas—the environmental impact of biogas as vehicle fuel];Dalemo,1998
4. Nilsson M, Linné M, Dahl A. Livscykelinventering för biogas som fordonsbränsle [Life cycle inventory of biogas as vehicle fuel]. Report SGC 117, Malmö, Sweden: Swedish Gas Centre; 2001 [in Swedish]
5. Livscykelanalys (LCA) av drivmedel [Life cycle assessment of motor fuels]. KFB-meddelande 1997:5;Blinge,1997