TY  - BOOK
AU  - Norman M.J.T.
AU  - C.J.Pearson
AU  - P.G.E.Searle
TI  - Tropical food crops in their environment
SN  - 0521586895
AV  - SB359N7 1995 
PY  - 1995///
CY  - USA
PB  - Presssyndicate of university ofcambridge
N1  - Index,References
ER  -