?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Ch&rft.au=Ravinder+Reddy%2C+Ch&rft.aulast=Ravinder+Reddy&rft.atitle=Influence+of+plant+age+on+infection+and+symptomatological+studies+on+urd+bean+leaf+crinkle+virus+in+urd+bean+(vigna+mungo)&rft.title=International+Journal+of+Agriculture+Sciences&rft.issn=0975%E2%80%939107&rft.date=2005&rft.volume=1&rft.pages=1-6&rft.issue=1&rft.genre=article