Persley, G. J. <br/><br/>
Beyond Mendel's garden :  biotechnology in the service of world agriculture / 
Gabrielle J. Persley. 
 - Wallingford, Oxon, UK :  C.A.B International for the World Bank,  1990 
 - 155 p. :  ill. ;  24 cm. 
 - Biotechnology in agriculture series,  no. 1  0960-202X ; .