?url_ver=Z39.88-2004&rft_id=10.14358%2FPERS.81.11.873&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Gumma%2C+M+K&rft.aufirst=M+K&rft.aulast=Gumma&rft.issn=0099-1112&rft.pages=873-880&rft.atitle=Mapping+Direct+Seeded+Rice+in+Raichur+District+of+Karnataka%2C+India&rft.volume=81&rft.issue=11&rft.title=Photogrammetric+engineering+and+remote+sensing&rft.date=November+2015&rft.genre=article