Parametrization of C-shocks. Evolution of the sputtering of grains I. Jiménez-Serra, P. Caselli, J. Martín-Pintado and T. W. Hartquist A&A, 482 2 (2008) 549-559 Published online: 20 February 2008 DOI: 10.1051/0004-6361:20078054