• The effects of vehicle congestion on the environment – an EIA in the Ngorongoro crater. The Environmental Impact Statement 

      Nyahongo, Julius; Lowassa, Asanterabi; Malugu, Lucas; Nkya, Hassan; Mwakalebe, Grayson; Thomassen, Jørn; Kaltenborn, Bjørn Petter; Lyamuya, Richard; Marealle, Wilfred; Keyyu, Julius; Stokke, Sigbjørn; Røskaft, Eivin (NINA Rapport;258, Research report, 2007)
      Nyahongo, J., Lowassa, A., Malugu, L., Nkya, H., Mwakalebe, G., Thomassen, J., Kaltenborn, B. P., Lyamuya, R., Marealle, W., Keyyu, J., Stokke, S. & Røskaft, E. 2007. The effects of vehicle congestion on the environment – ...