?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Nauta%2C+Wytze&rft.aulast=Nauta&rft.aufirst=Wytze&rft.date=2009&rft.title=Selective+Breeding+in+Organic+Dairy+Production&rft.inst=Louis+Bolk+Instutuut%3B+Wageningen+UR