Shelkov D, Verchovskyl A, Milledge H, Pillinger C. Carbonado: a comparison between Brazilian and Ubangui sources based on carbon and nitrogen isotopes. IKC abstracts [Internet]. 1995 Sep. 19 [cited 2024 Nov. 22];6(1):518-20. Available from: https://ikcabstracts.com/index.php/ikc/article/view/1952