TY  - GEN
AU  - Onwueme, I C
TI  - Tropical tuber crops: yams, cassava, sweet potato and cocoyams
SN  - 0-471-99608-4
U1  - 633.409 13 ONW 
CY  - NewYork, John Wiley & Sons INC
KW  - Root crops tropics / tubers tropics
ER  -