TY  - BOOK
AU  - Kropff, M. J.  
AU  -  Laar, H. H. Van
TI  - Modelling crop-weed interactions 
SN  - 0851987451
U1  - 631.582 22
PY  - 1998///
CY  - UK
PB  - CAB International
KW  - Crop weed
KW  - Agronomy
N1  - Includes index
ER  -