?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=B%C3%83%C2%B6hm%2C+Dr.+Herwart&rft.aulast=B%C3%83%C2%B6hm&rft.aufirst=Herwart&rft.date=2008&rft.title=Monitoring+of+click+beetles+(Agriotes+lineatus+and+A.+obscurus)+in+organically+managed+farms+in+Northern+Germany+&rft.genre=proceeding