TY  - BOOK
AU  - Swedish University of Agricultural Scineces
TI  - Weeds and weed control : 28th swedish weed conference. Vol 1 
SN  - 91-576-2923-4
U1  - 632.954 
PY  - 1987///
CY  - Uppsala
PB  - Swedish University of Agricltural Sciences
ER  -