Determination of the choke pressure of a ram accelerator projectile in subdetonative regime P. Bauer, C. Knowlen, A.P. Bruckner, M. Henner, J.F. Legendre et M. Giraud J. Phys. IV France, 10 PR11 (2000) Pr11-59-Pr11-67 DOI: 10.1051/jp4:20001107