1. British Ordnance Board Minutes 13565;Hopkinson,1915
2. Lehrbuch der Ballistik;Cranz,1926
3. Experiments with a Small-Scale Block in the EMI Model Simulator;Amman,1989
4. Blast Wave Propagation and Attenuation in a Tunnel;Bobin,1973
5. Blast Wave Propagation in Bent Tunnels;Binggeli,1983