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KITLV Demmeni J. The Kiham Halo rapid Upper Mahakam Central Borneo .tif nl De kiham Halo BovenMahakam MiddenBorneo Commissiereis naar Centraal Borneo onder leiding van dr Nieuwenhuis en The Kiham Halo rapid Upper Mahakam Central Borneo Borneo expedition to CentralBorneo led by dr Nieuwenhuis cm exhibition history Universiteitsbibliotheek