TY  - BOOK
AU  - Simmonds, N. W.,
AU  - Smartt, J.  
TI  - Principles of crop improvement
SN  - 9780632041916
U1  - 631.52  
PY  - 1999///
CY  - Oxford ; Malden, MA, USA
PB  - Blackwell Science
KW  - Crop improvement.
ER  -