Climate and Land Degradation - Sivakumar, Mannava V. K.; Allan, R.; Förstner, Ulrich; Ndiang'ui, Ndegwa; Siva Kumar, M. V. K.; Salomons, W.; Sivakumar, Mannava Vk; Sivakumar, Mannava Vk (Springer Berlin Heidelberg, 2007)