Seismic velocity structure and depth-dependence of anisotropy in the Red Sea and Arabian shield from surface wave analysis, Hansen, S. E.; Gaherty, J. B.; Schwartz, S. Y.; Rodgers, A. J.; Al-Amri, A. M. S. , Journal of Geophysical Research-Solid Earth, Oct 14, Volume 113, Issue B10, p.-, (2008), Doi 10.1029/2007jb005335 Abstract