TY - BOOK AU - Swedish university of agricultural science TI - Weeds and weed control 21st swedish weed conference uppsala 30 january -1 february 1980 SN - 91-576-0398-7 U1 - 632.5806 PY - 1980/// CY - Uppsala PB - Swedish university of agricultural science N1 - Swedish university of agricultural science: Weeds and weed control 21st swedish weed conference uppsala 30 january -1 february 1980. Uppsala. Swedish university of agricultural science, 1980. 91-576-0398-7--(632.5806SWE) ER -