TY  - BOOK
AU  - Van Laar,H.H.
AU  - Penning de Varies, F.W.T.
TI  - Simulation of plant growth and crop production
U1  - 631 
PY  - 1982///
CY  - Wageningen
PB  - CAPW.
KW  - Agriculture
KW  - Crop Production
ER  -