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KITLV Demmeni J. Burning of betel lime by Kayans of the Bloeoe River Upper Mahakam .tif nl Het branden van sirihkalk door Kajans van de Bloeoe BovenMahakam Borneoexpeditie onder leiding van dr Nieuwenhuis en Burning of betel lime by Kayans of the Bloeoe River Upper Mahakam Borneo expedition led by dr Nieuwenhuis cm exhibition