?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Gordon%2C+Susan+H&rft.aulast=Gordon&rft.aufirst=Susan+H&rft.date=2002&rft.title=Management+factors+affecting+the+use+of+pasture+by+table+chickens+in+extensive+production+systems+&rft.genre=proceeding