TY  - BOOK
AU  - Langer,R.H.M.
AU  - Hill,G.D.
TI  - Agricultural plants
SN  - 0521405459
AV  - SB91 L35 1991
PY  - 1991///
CY  - Cambridge [ England ]
PB  - Cambridge University Press
KW  - Crops
N1  - Includes bibliographical references and indexes
ER  -