TY - CONF AU - Siewert, Thomas AU - McCowan, Christopher AU - Manahan, M. C2 - Second Symposium on Pendulum Impact Machines: Procedures and Specimens, Washington, DC, DC, USA DA - 2006-08-01 00:08:00 LA - en M1 - STP 1476 PB - Second Symposium on Pendulum Impact Machines: Procedures and Specimens, Washington, DC, DC, USA PY - 2006 TI - Second Symposium on Pendulum Impact Machines: Procedures and Specimens ER -