Phase diagram of neutron star quark matter in nonlocal chiral models D. Gómez Dumm, D. B. Blaschke, A. G. Grunfeld, T. Klähn and N. N. Scoccola Eur. Phys. J. A, 31 4 (2007) 824-827 Published online: 15 March 2007 DOI: 10.1140/epja/i2006-10260-0