Szwonek E., Gwozdecki J., Włodarczyk T., Borkowska A., Kotowska U.:  Does goat\'s rue (Galega officinalis) interfere denitrification in the soil. (2007 r.) COST Action 856 - Denitrification - Basic Research and its Application in Wetlands, University of Ljubljana, Ljubljana, Slovenia, 9-11.09.2007 r. 2007,