?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J&rft.au=Romeis%2C+J&rft.aulast=Romeis&rft.atitle=Trichogramma+egg+parasitism+of+Helicoverpa+armigera+on+pigeonpea+and+sorghum+in+southern+India&rft.title=Entomologia+Experimentalis+et+Applicata&rft.date=1999&rft.volume=90&rft.pages=69-81&rft.issue=1&rft.genre=article