?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=D&rft.au=Anita+Kumari%2C+D&rft.aulast=Anita+Kumari&rft.inst=Acharya+N+G+Ranga+Agricultural+Univerisity&rft.date=2005&rft.title=Mechanisms+of+Resistance+to+Helicoverpa+armigera+(Hubner)+in+pigeonpea+%5BCajanus+cajan+(L.)+Millsp.%5D+&rft.tpages=197&rft.degree=PHD