Screening of heavy quark free energies at finite temperatureand non-zero baryon chemical potentialM. Döring, S. Ejiri, O. Kaczmarek, F. Karsch and E. LaermannEur. Phys. J. C, 46 1 (2006) 179-189DOI: https://doi.org/10.1140/epjc/s2005-02462-y