Radio emission models of colliding-wind binary systems S. M. Dougherty, J. M. Pittard, L. Kasian, R. F. Coker, P. M. Williams and H. M. Lloyd A&A, 409 1 (2003) 217-233 Published online: 17 November 2003 DOI: 10.1051/0004-6361:20031048