TY  - BOOK
AU  - Langer,R.H.M.
AU  - Hill,G.D.
TI  - Agricultural plants
SN  - 0521405459
U1  - 631 23
PY  - 1991///
CY  - New York
PB  - Cambridge University Press
KW  - Crops
N1  - Includes bibliographical references and indexes
ER  -