TY  - BOOK
AU  - onwueme,i.c.
TI  - the tropical tuber crops : : yams cassava sweet potato & cocoyams / 
U1  - 633.49/onw 
PY  - 1982///
CY  - london
PB  - english language book society:john wiley & sons
KW  - farm produce
KW  - tubers
ER  -