?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Lee%2C+Yong+Hwan&rft.aulast=Lee&rft.aufirst=Yong+Hwan&rft.date=2005&rft.title=Odor+and+Irrigation+Water+contamination+by+Duck-Rice+System+and+its+Effect+in+Weed+Control%2C+Rice+Growth+and+Yield+&rft.genre=proceeding