Kelly, A Fennick. Encyclopaedia of seed production of world crops / A.Fennick Kelly, Raymond A.T.George. - Chichester : John Wiley , 1998. - ix,403p : ills,figs,tables ; 25cm . NULL ISBN: 0471982024 USD 127.00 Subjects--Index Terms: SEED Dewey Class. No.: 338.1703 / KEL/E