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Ahlgren Serina, Baky Andras, Bernesson Sven, Hansson Per-Anders, Nordberg Åke, Norén Olle 2007 Biodrivmedel för ekologiska gårdar Factsheet
Hansson Per-Anders, Baky A, Ahlgren Serina, Bernesson Sven, Nordberg Å, Norén Olle 2006 Perspectives for biofuel production and use in organic farming Conference paper
Hansson, Per-Anders; Weijer, Ahlgren Serina; Baky, Andras et. al 2005 Hur kan det ekologiska lantbruket bli självförsörjande med biobaserade drivmedel? Conference paper