?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Cuvardic%2C+Assoc.+Prof.+Maja&rft.aulast=Cuvardic&rft.aufirst=Maja&rft.date=2006&rft.title=Soil+Fertility+in+Organic+Farming+in+the+First+Years+After+Transition&rft.genre=proceeding