s:246:"%T Tracing responses to climate variability from stable isotopes in tree rings of Anogeissus leiocarpus and Sclerocarya birrea from the Sahel zone, Burkina Faso 
%A Gebrekirstos, A. 
%A itlöhner, R. 
%A van Noordwijk, M. 
%A Bräuning, A. 
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