TY  - BOOK
AU  - ONWUEME, I.C.
TI  - The Tropical Tuber Crops : Yams, Cassava Sweet Potatoand Cocoyams
SN  - 047110227 :£2.00
U1  - 635.2  ONW 
PY  - 1978///
CY  - Great Britain
PB  - John Willey &Sons Ltd.
KW  - Tropial Tuber Crops
N1  - Includes index and reference
ER  -