A Sino-German λ6 cm polarization survey of the Galactic plane - V. Large supernova remnants X. Y. Gao, J. L. Han, W. Reich, P. Reich, X. H. Sun and L. Xiao A&A, 529 (2011) A159 Published online: 22 April 2011 DOI: 10.1051/0004-6361/201016311