Coexistence of rhcp and fcc phases in hard-sphere colloidal crystals I. P. Dolbnya, A. V. Petukhov, D. G. A. L. Aarts, G. J. Vroege and H. N. W. Lekkerkerker Europhys. Lett., 72 6 (2005) 962-968 Published online: 11 November 2005 DOI: 10.1209/epl/i2005-10325-6