Depth localized azimuthal anisotropy from SKS and P receiver functions: The Tien Shan,
Vinnik, L. P., I. M. Aleshin, S. G. Kiselev, G. L. Kosarev, and L. I. Makeyeva (2007),
Geophysical Journal International, 169, 1289,
10.1111/j.1365-246X.2007.03394.x.