TY  - BOOK
AU  - Degras, Lucien
TI  - The yam: a tropical root crop
SN  - 0333574567
AV  - SB211.Y3 D36 1993
PY  - 1993///
CY  - London
PB  - Macmillan
N1  - Includes bibliographical references and index
ER  -