Sokol, A. K., Fernandes, V. A., Schulz, T., Bischoff, A., Burgess, R., Clayton, R. N., Münker, C., Nishiizumi, K., Palme, H., Schultz, L., Weckwerth, G., Mezger, K., & Horstmann, M. (2008). Geochemistry, petrology and ages of the lunar meteorites Kalahari 008 and 009: New constraints on early lunar evolution. Geochimica et Cosmochimica Acta, 72(19), 4845-4873.