?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.date=1980&rft.btitle=Proceedings+of+the+international+symposium+on+development+and+transfer+of+technology+for+rainfed+agriculture+and+the+SAT+farmer&rft.tpages=334&rft.genre=book