Milli-arcsecond scale rotation measure in the CSS quasars 0548+165 and 1524-136 F. Mantovani, W. Junor, R. Ricci, D. J. Saikia, C. Salter and M. Bondi A&A, 389 1 (2002) 58-67 Published online: 14 June 2002 DOI: 10.1051/0004-6361:20020482