?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A+Y&rft.au=Kamara%2C+A+Y&rft.aulast=Kamara&rft.atitle=Response+of+old+and+new+cowpea+varieties+to+insecticide+spray+regimes+in+the+Sudan+savanna+of+Nigeria&rft.title=Archives+of+Phytopathology+and+Plant+Protection&rft.issn=0323-5408&rft.date=2013&rft.volume=46&rft.pages=1-12&rft.issue=1&rft.genre=article