TY  - GEN
AU  - Costa, W. A. J. M. De
TI  - Principles of crop physiology: towards an understanding of crop yield determination and improvement
SN  - 9559681419
U1  - 571.2 
PY  - 2000///
CY  - Peradeniya
PB  - Author
KW  - Physiology and related subjects
KW  - Plant and microorganisms
ER  -