?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=C+P&rft.au=Srivastava%2C+C+P&rft.aulast=Srivastava&rft.atitle=Spatial+and+temporal+changes+in+the+abundance+of+Helicoverpa+(%3D+Heliothis)+armigera+(Hubner)+in+India&rft.title=Insect+Science+and+its+Application&rft.issn=0191-9040&rft.date=1990&rft.volume=11&rft.pages=869-876&rft.issue=6&rft.genre=article