Assessing the impact of soil degradation on food production - Bindraban, Prem S.; Velde, Marijn van der; Ye, Liming; Berg, Maurits van den; Materechera, Simeon; Kiba, Delwendé I.; Tamene, Lulseged D.; Vala Ragnarsdóttir, Kristín; Jongschaap, Raymond; Hoogmoed, Marianne; Hoogmoed, Willem; Beek, Christy van; et al. (Elsevier, 2012)