# M. Levy, Handbook of Elastic Properties of Solids, Liquids, and Gases (2001)
c11 160.0e9
c12 90.0e9
c13 66.0e9
c33 181.7e9
c44 46.5e9
# C. Zambaldi, "Orientation informed nanoindentation of a-titanium: Indentation pileup in hexagonal metals deforming by prismatic slip", J. Mater. Res., Vol. 27, No. 1, Jan 14, 2012