?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Markku&rft.aulast=Saastamoinen&rft.au=Saastamoinen%2C+Markku&rft.date=2011&rft.title=Outdoor+feeding+management+and+needs+of+horses+-+an+overview&rft.genre=proceeding