?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.isbn=9290660929&rft.date=1985&rft.btitle=Proceedings+of+the+Regional+Groundnut+Workshop+for+Southern+Africa+26-29+March+1984+Lilongwe%2C+Malawi&rft.tpages=202&rft.genre=book