?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Eyre%2C+Dr+M.D.&rft.aulast=Eyre&rft.aufirst=M.D.&rft.date=2008&rft.title=Beneficial+Invertebrate+Activity+in+Organic+and+Conventional+Vegetable+Fields+in+Eastern+England&rft.genre=proceeding