Infrared exponents and the running coupling of Landau gauge QCD and their relation to confinement R. Alkofer, C. S. Fischer and L. von Smekal Eur. Phys. J. A, 18 2-3 (2003) 261-264 Published online: 22 October 2003 DOI: 10.1140/epja/i2002-10212-8