@unpublished{icrisat1034,
          school = {Acharya N G Ranga Agricultural University},
            year = {2001},
           title = {Comparative efficacy of various components of ipm with special reference to Helicoverpa armitern (Hubner) in pigeonpea},
          author = {G Aravind Reddy},
             url = {http://oar.icrisat.org/1034/}
}