?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Keatinge%2C+Ray&rft.aulast=Keatinge&rft.aufirst=Ray&rft.date=2002&rft.title=Developing+parasite+control+strategies+in+organic+systems&rft.genre=proceeding