TomoATT: A New Open-Source Traveltime Tomography Package for Subsurface Velocity Heterogeneity and Seismic Anisotropy.

Ping Tong, Nanyang Technological University, Division of Mathematical Sciences, School of Physical and Mathematical Sciences, Singapore, Singapore, Jing Chen, Nanyang Technological University, School of Physical and Mathematical Sciences, Singapore, Singapore and Masaru Nagaso, Nanyang Technological University, Singapore, Singapore