TY  - BOOK
AU  - Penning de vries,F.M.T/ van Laar,H.H 
TI  - Simulation of plant growth and crop production 
SN  - 9022008096 
AV  - SB112.5.P41982 
PY  - 1982///
CY  - wageningen 
PB  - rudoc
KW  - Plant growth simulation method
ER  -