Anisotropic effects in surface acoustic wave propagation from a point source in a crystal A. A. Maznev, A. M. Lomonosov, P. Hess and Al. A. Kolomenskii Eur. Phys. J. B, 35 3 (2003) 429-439 Published online: 15 October 2003 DOI: 10.1140/epjb/e2003-00295-y