Spallation strength of single crystal and polycrystalline copper D.L. Tonks, D.J. Alexander, S.A. Sheffield, D.L. Robbins, A.K. Zurek and W.R. Thissell J. Phys. IV France, 10 PR9 (2000) Pr9-787-Pr9-792 DOI: 10.1051/jp4:20009130