TY  - BOOK
AU  - N W SIMMONDS
TI  - EVOLUTION OF CROP PLANTS
SN  - 0582444969
U1  - GN631 SI 47 E 
PY  - 1979///
CY  - LONDON
PB  - LONGMAN GROUP LIMITED
KW  - CROP PLANT
N1  - MODERN BOOK HOUSE
ER  -