?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Saelices+Mart%C3%ADnez%2C+Rosa+M%C2%AA&rft.aulast=Saelices+Mart%C3%ADnez&rft.aufirst=Rosa+M%C2%AA&rft.date=2013&rft.title=Ecotoxicity+of+insecticides+of+frequent+use+in+tomatoes+on+Trichogramma+achaeae+(Hymenoptera%3A+Trichogrammatidae)&rft.btitle=International+Symposium+on+Biological+Control+of+Arthropods&rft.genre=proceeding