@article{394011,
      author = {H?akansson, Sigurd,},
      url = {http://library.usi.edu/record/394011},
      title = {Weeds and weed management on arable land an ecological  approach / [electronic resource] :},
      publisher = {CABI Pub.,},
      recid = {394011},
      pages = {xiv, 274 p. :},
      address = {Wallingford, Oxon, UK ;},
      year = {2003},
}