?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Hovi%2C+Malla&rft.aulast=Hovi&rft.aufirst=Malla&rft.date=2002&rft.title=Fertility+and+fertility+management+in+thirteen+well-established+organic+dairy+herds+in+the+UK+&rft.genre=proceeding