?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Al-Bitar%2C+Lina&rft.aulast=Al-Bitar&rft.aufirst=Lina&rft.date=2005&rft.title=Effect+of+annual+self-reseeding+legumes+on+subsequent+crops+in+organic+rotation+programme&rft.genre=proceeding