?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=O&rft.au=Ajayi%2C+O&rft.aulast=Ajayi&rft.atitle=Importance+of+spittle+bugs%2C+Locris+rubens+(Erichson)+and+Poophilus+costalis+(Walker)+on+sorghum+in+West+and+Central+Africa%2C+with+emphasis+on+Nigeria&rft.title=Annals+of+Applied+Biology&rft.issn=1744-7348&rft.date=1999&rft.volume=136&rft.pages=9-14&rft.issue=1&rft.genre=article