?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Singh%2C+K+N&rft.aufirst=K+N&rft.aulast=Singh&rft.issn=0261-2194&rft.pages=414-418&rft.atitle=Assessment+of+yield+loss+due+to+insect+pests+at+different+growth+stages+of+groundnut+in+Pantnagar%2C+Uttar+Pradesh%2C+India&rft.volume=11&rft.issue=5&rft.title=Crop+Protection&rft.date=1992&rft.genre=article