?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.date=1980&rft.btitle=Proceedings+of+the+International+Workshop+on+Sorghum+Diseases%2C+Hyderabad%2C+India+11-15+December+1978+&rft.genre=book