Butenko, Y. V., Chakraborty, A., Peltekis, N., Krishnamurthy, S., Dhanak, V., Hunt, M., & Siller, L. (2008). Potassium intercalation of carbon onions 'opened' by carbon dioxide treatment. Carbon, 46(8), 1133-1140. https://doi.org/10.1016/j.carbon.2008.04.012