The effects of spin-down on the structure and evolution of pulsar wind nebulae N. Bucciantini, R. Bandiera, J. M. Blondin, E. Amato and L. Del Zanna A&A, 422 2 (2004) 609-619 Published online: 09 July 2004 DOI: 10.1051/0004-6361:20034400