Citation: Bindi, L.; Downs, R. T.; Harlow, G. E.; Safonov, O. G.; Litvin, Y. A.; Perchuk, L. L.; Uchida, H.; Menchetti, S. (2006). Compressibility of synthetic potassium-rich clinopyroxene: In situ high-pressure single-crystal X-ray study Sample: 939-1, P = 2.45 GPa. American Mineralogist, 91, pp. 802-808.